66413680

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1459}}^1$

素因数の和:2041

約数の個数: 40

約数和(自身を含む): 154789200

約数和(自身を除く): 88375520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 1459, 2276, 2845, 2918, 4552, 5690, 5836, 7295, 9104, 11380, 11672, 14590, 22760, 23344, 29180, 45520, 58360, 116720, 830171, 1660342, 3320684, 4150855, 6641368, 8301710, 13282736, 16603420, 33206840, 66413680]

約数ペア:

[(1, 66413680), (2, 33206840), (4, 16603420), (5, 13282736), (8, 8301710), (10, 6641368), (16, 4150855), (20, 3320684), (40, 1660342), (80, 830171), (569, 116720), (1138, 58360), (1459, 45520), (2276, 29180), (2845, 23344), (2918, 22760), (4552, 14590), (5690, 11672), (5836, 11380), (7295, 9104)]