16286680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 39774240

約数和(自身を除く): 23487560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 557, 680, 731, 860, 1114, 1462, 1720, 2228, 2785, 2924, 3655, 4456, 5570, 5848, 7310, 9469, 11140, 14620, 18938, 22280, 23951, 29240, 37876, 47345, 47902, 75752, 94690, 95804, 119755, 189380, 191608, 239510, 378760, 407167, 479020, 814334, 958040, 1628668, 2035835, 3257336, 4071670, 8143340, 16286680]

約数ペア:

[(1, 16286680), (2, 8143340), (4, 4071670), (5, 3257336), (8, 2035835), (10, 1628668), (17, 958040), (20, 814334), (34, 479020), (40, 407167), (43, 378760), (68, 239510), (85, 191608), (86, 189380), (136, 119755), (170, 95804), (172, 94690), (215, 75752), (340, 47902), (344, 47345), (430, 37876), (557, 29240), (680, 23951), (731, 22280), (860, 18938), (1114, 14620), (1462, 11140), (1720, 9469), (2228, 7310), (2785, 5848), (2924, 5570), (3655, 4456)]