40944800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 111992832

約数和(自身を除く): 71048032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 127, 130, 155, 160, 200, 208, 248, 254, 260, 310, 325, 400, 403, 416, 496, 508, 520, 620, 635, 650, 775, 800, 806, 992, 1016, 1040, 1240, 1270, 1300, 1550, 1612, 1651, 2015, 2032, 2080, 2480, 2540, 2600, 3100, 3175, 3224, 3302, 3937, 4030, 4064, 4960, 5080, 5200, 6200, 6350, 6448, 6604, 7874, 8060, 8255, 10075, 10160, 10400, 12400, 12700, 12896, 13208, 15748, 16120, 16510, 19685, 20150, 20320, 24800, 25400, 26416, 31496, 32240, 33020, 39370, 40300, 41275, 50800, 51181, 52832, 62992, 64480, 66040, 78740, 80600, 82550, 98425, 101600, 102362, 125984, 132080, 157480, 161200, 165100, 196850, 204724, 255905, 264160, 314960, 322400, 330200, 393700, 409448, 511810, 629920, 660400, 787400, 818896, 1023620, 1279525, 1320800, 1574800, 1637792, 2047240, 2559050, 3149600, 4094480, 5118100, 8188960, 10236200, 20472400, 40944800]

約数ペア:

[(1, 40944800), (2, 20472400), (4, 10236200), (5, 8188960), (8, 5118100), (10, 4094480), (13, 3149600), (16, 2559050), (20, 2047240), (25, 1637792), (26, 1574800), (31, 1320800), (32, 1279525), (40, 1023620), (50, 818896), (52, 787400), (62, 660400), (65, 629920), (80, 511810), (100, 409448), (104, 393700), (124, 330200), (127, 322400), (130, 314960), (155, 264160), (160, 255905), (200, 204724), (208, 196850), (248, 165100), (254, 161200), (260, 157480), (310, 132080), (325, 125984), (400, 102362), (403, 101600), (416, 98425), (496, 82550), (508, 80600), (520, 78740), (620, 66040), (635, 64480), (650, 62992), (775, 52832), (800, 51181), (806, 50800), (992, 41275), (1016, 40300), (1040, 39370), (1240, 33020), (1270, 32240), (1300, 31496), (1550, 26416), (1612, 25400), (1651, 24800), (2015, 20320), (2032, 20150), (2080, 19685), (2480, 16510), (2540, 16120), (2600, 15748), (3100, 13208), (3175, 12896), (3224, 12700), (3302, 12400), (3937, 10400), (4030, 10160), (4064, 10075), (4960, 8255), (5080, 8060), (5200, 7874), (6200, 6604), (6350, 6448)]