905207840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{8117}}^1$

素因数の和:8190

約数の個数: 96

約数和(自身を含む): 2319864624

約数和(自身を除く): 1414656784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 136, 160, 164, 170, 205, 272, 328, 340, 410, 544, 656, 680, 697, 820, 1312, 1360, 1394, 1640, 2720, 2788, 3280, 3485, 5576, 6560, 6970, 8117, 11152, 13940, 16234, 22304, 27880, 32468, 40585, 55760, 64936, 81170, 111520, 129872, 137989, 162340, 259744, 275978, 324680, 332797, 551956, 649360, 665594, 689945, 1103912, 1298720, 1331188, 1379890, 1663985, 2207824, 2662376, 2759780, 3327970, 4415648, 5324752, 5519560, 5657549, 6655940, 10649504, 11039120, 11315098, 13311880, 22078240, 22630196, 26623760, 28287745, 45260392, 53247520, 56575490, 90520784, 113150980, 181041568, 226301960, 452603920, 905207840]

約数ペア:

[(1, 905207840), (2, 452603920), (4, 226301960), (5, 181041568), (8, 113150980), (10, 90520784), (16, 56575490), (17, 53247520), (20, 45260392), (32, 28287745), (34, 26623760), (40, 22630196), (41, 22078240), (68, 13311880), (80, 11315098), (82, 11039120), (85, 10649504), (136, 6655940), (160, 5657549), (164, 5519560), (170, 5324752), (205, 4415648), (272, 3327970), (328, 2759780), (340, 2662376), (410, 2207824), (544, 1663985), (656, 1379890), (680, 1331188), (697, 1298720), (820, 1103912), (1312, 689945), (1360, 665594), (1394, 649360), (1640, 551956), (2720, 332797), (2788, 324680), (3280, 275978), (3485, 259744), (5576, 162340), (6560, 137989), (6970, 129872), (8117, 111520), (11152, 81170), (13940, 64936), (16234, 55760), (22304, 40585), (27880, 32468)]