20179182400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{7639}}^1$

素因数の和:7801

約数の個数: 168

約数和(自身を含む): 53900994560

約数和(自身を除く): 33721812160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 127, 130, 160, 200, 208, 254, 260, 320, 325, 400, 416, 508, 520, 635, 650, 800, 832, 1016, 1040, 1270, 1300, 1600, 1651, 2032, 2080, 2540, 2600, 3175, 3302, 4064, 4160, 5080, 5200, 6350, 6604, 7639, 8128, 8255, 10160, 10400, 12700, 13208, 15278, 16510, 20320, 20800, 25400, 26416, 30556, 33020, 38195, 40640, 41275, 50800, 52832, 61112, 66040, 76390, 82550, 99307, 101600, 105664, 122224, 132080, 152780, 165100, 190975, 198614, 203200, 244448, 264160, 305560, 330200, 381950, 397228, 488896, 496535, 528320, 611120, 660400, 763900, 794456, 970153, 993070, 1222240, 1320800, 1527800, 1588912, 1940306, 1986140, 2444480, 2482675, 2641600, 3055600, 3177824, 3880612, 3972280, 4850765, 4965350, 6111200, 6355648, 7761224, 7944560, 9701530, 9930700, 12222400, 12611989, 15522448, 15889120, 19403060, 19861400, 24253825, 25223978, 31044896, 31778240, 38806120, 39722800, 48507650, 50447956, 62089792, 63059945, 77612240, 79445600, 97015300, 100895912, 126119890, 155224480, 158891200, 194030600, 201791824, 252239780, 310448960, 315299725, 388061200, 403583648, 504479560, 630599450, 776122400, 807167296, 1008959120, 1261198900, 1552244800, 2017918240, 2522397800, 4035836480, 5044795600, 10089591200, 20179182400]

約数ペア:

[(1, 20179182400), (2, 10089591200), (4, 5044795600), (5, 4035836480), (8, 2522397800), (10, 2017918240), (13, 1552244800), (16, 1261198900), (20, 1008959120), (25, 807167296), (26, 776122400), (32, 630599450), (40, 504479560), (50, 403583648), (52, 388061200), (64, 315299725), (65, 310448960), (80, 252239780), (100, 201791824), (104, 194030600), (127, 158891200), (130, 155224480), (160, 126119890), (200, 100895912), (208, 97015300), (254, 79445600), (260, 77612240), (320, 63059945), (325, 62089792), (400, 50447956), (416, 48507650), (508, 39722800), (520, 38806120), (635, 31778240), (650, 31044896), (800, 25223978), (832, 24253825), (1016, 19861400), (1040, 19403060), (1270, 15889120), (1300, 15522448), (1600, 12611989), (1651, 12222400), (2032, 9930700), (2080, 9701530), (2540, 7944560), (2600, 7761224), (3175, 6355648), (3302, 6111200), (4064, 4965350), (4160, 4850765), (5080, 3972280), (5200, 3880612), (6350, 3177824), (6604, 3055600), (7639, 2641600), (8128, 2482675), (8255, 2444480), (10160, 1986140), (10400, 1940306), (12700, 1588912), (13208, 1527800), (15278, 1320800), (16510, 1222240), (20320, 993070), (20800, 970153), (25400, 794456), (26416, 763900), (30556, 660400), (33020, 611120), (38195, 528320), (40640, 496535), (41275, 488896), (50800, 397228), (52832, 381950), (61112, 330200), (66040, 305560), (76390, 264160), (82550, 244448), (99307, 203200), (101600, 198614), (105664, 190975), (122224, 165100), (132080, 152780)]