3958960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 10124352

約数和(自身を除く): 6165392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 71, 80, 82, 85, 136, 142, 164, 170, 205, 272, 284, 328, 340, 355, 410, 568, 656, 680, 697, 710, 820, 1136, 1207, 1360, 1394, 1420, 1640, 2414, 2788, 2840, 2911, 3280, 3485, 4828, 5576, 5680, 5822, 6035, 6970, 9656, 11152, 11644, 12070, 13940, 14555, 19312, 23288, 24140, 27880, 29110, 46576, 48280, 49487, 55760, 58220, 96560, 98974, 116440, 197948, 232880, 247435, 395896, 494870, 791792, 989740, 1979480, 3958960]

約数ペア:

[(1, 3958960), (2, 1979480), (4, 989740), (5, 791792), (8, 494870), (10, 395896), (16, 247435), (17, 232880), (20, 197948), (34, 116440), (40, 98974), (41, 96560), (68, 58220), (71, 55760), (80, 49487), (82, 48280), (85, 46576), (136, 29110), (142, 27880), (164, 24140), (170, 23288), (205, 19312), (272, 14555), (284, 13940), (328, 12070), (340, 11644), (355, 11152), (410, 9656), (568, 6970), (656, 6035), (680, 5822), (697, 5680), (710, 5576), (820, 4828), (1136, 3485), (1207, 3280), (1360, 2911), (1394, 2840), (1420, 2788), (1640, 2414)]