31388544080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12656671}}^1$

素因数の和:12656715

約数の個数: 40

約数和(自身を含む): 75332511744

約数和(自身を除く): 43943967664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12656671, 25313342, 50626684, 63283355, 101253368, 126566710, 202506736, 253133420, 392356801, 506266840, 784713602, 1012533680, 1569427204, 1961784005, 3138854408, 3923568010, 6277708816, 7847136020, 15694272040, 31388544080]

約数ペア:

[(1, 31388544080), (2, 15694272040), (4, 7847136020), (5, 6277708816), (8, 3923568010), (10, 3138854408), (16, 1961784005), (20, 1569427204), (31, 1012533680), (40, 784713602), (62, 506266840), (80, 392356801), (124, 253133420), (155, 202506736), (248, 126566710), (310, 101253368), (496, 63283355), (620, 50626684), (1240, 25313342), (2480, 12656671)]