64403740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{953}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 141039360

約数和(自身を除く): 76635620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 953, 1090, 1906, 2180, 3379, 3812, 4765, 6758, 9530, 13516, 16895, 19060, 29543, 33790, 59086, 67580, 103877, 118172, 147715, 207754, 295430, 415508, 519385, 590860, 1038770, 2077540, 3220187, 6440374, 12880748, 16100935, 32201870, 64403740]

約数ペア:

[(1, 64403740), (2, 32201870), (4, 16100935), (5, 12880748), (10, 6440374), (20, 3220187), (31, 2077540), (62, 1038770), (109, 590860), (124, 519385), (155, 415508), (218, 295430), (310, 207754), (436, 147715), (545, 118172), (620, 103877), (953, 67580), (1090, 59086), (1906, 33790), (2180, 29543), (3379, 19060), (3812, 16895), (4765, 13516), (6758, 9530)]