8668400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1698

約数の個数: 60

約数和(自身を含む): 22441272

約数和(自身を除く): 13772872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 1667, 2600, 3334, 5200, 6668, 8335, 13336, 16670, 21671, 26672, 33340, 41675, 43342, 66680, 83350, 86684, 108355, 133360, 166700, 173368, 216710, 333400, 346736, 433420, 541775, 666800, 866840, 1083550, 1733680, 2167100, 4334200, 8668400]

約数ペア:

[(1, 8668400), (2, 4334200), (4, 2167100), (5, 1733680), (8, 1083550), (10, 866840), (13, 666800), (16, 541775), (20, 433420), (25, 346736), (26, 333400), (40, 216710), (50, 173368), (52, 166700), (65, 133360), (80, 108355), (100, 86684), (104, 83350), (130, 66680), (200, 43342), (208, 41675), (260, 33340), (325, 26672), (400, 21671), (520, 16670), (650, 13336), (1040, 8335), (1300, 6668), (1667, 5200), (2600, 3334)]