65980120

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2179}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 148719600

約数和(自身を除く): 82739480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 1514, 2179, 3028, 3785, 4358, 6056, 7570, 8716, 10895, 15140, 17432, 21790, 30280, 43580, 87160, 1649503, 3299006, 6598012, 8247515, 13196024, 16495030, 32990060, 65980120]

約数ペア:

[(1, 65980120), (2, 32990060), (4, 16495030), (5, 13196024), (8, 8247515), (10, 6598012), (20, 3299006), (40, 1649503), (757, 87160), (1514, 43580), (2179, 30280), (3028, 21790), (3785, 17432), (4358, 15140), (6056, 10895), (7570, 8716)]