21651987200

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109133}}^1$

素因数の和:109190

約数の個数: 108

約数和(自身を含む): 55321334208

約数和(自身を除く): 33669347008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1280, 1550, 1600, 1984, 2480, 3100, 3200, 3968, 4960, 6200, 6400, 7936, 9920, 12400, 19840, 24800, 39680, 49600, 99200, 109133, 198400, 218266, 436532, 545665, 873064, 1091330, 1746128, 2182660, 2728325, 3383123, 3492256, 4365320, 5456650, 6766246, 6984512, 8730640, 10913300, 13532492, 13969024, 16915615, 17461280, 21826600, 27064984, 27938048, 33831230, 34922560, 43653200, 54129968, 67662460, 69845120, 84578075, 87306400, 108259936, 135324920, 139690240, 169156150, 174612800, 216519872, 270649840, 338312300, 349225600, 433039744, 541299680, 676624600, 698451200, 866079488, 1082599360, 1353249200, 2165198720, 2706498400, 4330397440, 5412996800, 10825993600, 21651987200]

約数ペア:

[(1, 21651987200), (2, 10825993600), (4, 5412996800), (5, 4330397440), (8, 2706498400), (10, 2165198720), (16, 1353249200), (20, 1082599360), (25, 866079488), (31, 698451200), (32, 676624600), (40, 541299680), (50, 433039744), (62, 349225600), (64, 338312300), (80, 270649840), (100, 216519872), (124, 174612800), (128, 169156150), (155, 139690240), (160, 135324920), (200, 108259936), (248, 87306400), (256, 84578075), (310, 69845120), (320, 67662460), (400, 54129968), (496, 43653200), (620, 34922560), (640, 33831230), (775, 27938048), (800, 27064984), (992, 21826600), (1240, 17461280), (1280, 16915615), (1550, 13969024), (1600, 13532492), (1984, 10913300), (2480, 8730640), (3100, 6984512), (3200, 6766246), (3968, 5456650), (4960, 4365320), (6200, 3492256), (6400, 3383123), (7936, 2728325), (9920, 2182660), (12400, 1746128), (19840, 1091330), (24800, 873064), (39680, 545665), (49600, 436532), (99200, 218266), (109133, 198400)]