31178680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3527}}^1$

素因数の和:3568

約数の個数: 64

約数和(自身を含む): 80015040

約数和(自身を除く): 48836360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 3527, 4420, 7054, 8840, 14108, 17635, 28216, 35270, 45851, 59959, 70540, 91702, 119918, 141080, 183404, 229255, 239836, 299795, 366808, 458510, 479672, 599590, 779467, 917020, 1199180, 1558934, 1834040, 2398360, 3117868, 3897335, 6235736, 7794670, 15589340, 31178680]

約数ペア:

[(1, 31178680), (2, 15589340), (4, 7794670), (5, 6235736), (8, 3897335), (10, 3117868), (13, 2398360), (17, 1834040), (20, 1558934), (26, 1199180), (34, 917020), (40, 779467), (52, 599590), (65, 479672), (68, 458510), (85, 366808), (104, 299795), (130, 239836), (136, 229255), (170, 183404), (221, 141080), (260, 119918), (340, 91702), (442, 70540), (520, 59959), (680, 45851), (884, 35270), (1105, 28216), (1768, 17635), (2210, 14108), (3527, 8840), (4420, 7054)]