40500020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9689}}^1$

素因数の和:9728

約数の個数: 48

約数和(自身を含む): 97675200

約数和(自身を除く): 57175180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 9689, 19378, 38756, 48445, 96890, 106579, 184091, 193780, 213158, 368182, 426316, 532895, 736364, 920455, 1065790, 1840910, 2025001, 2131580, 3681820, 4050002, 8100004, 10125005, 20250010, 40500020]

約数ペア:

[(1, 40500020), (2, 20250010), (4, 10125005), (5, 8100004), (10, 4050002), (11, 3681820), (19, 2131580), (20, 2025001), (22, 1840910), (38, 1065790), (44, 920455), (55, 736364), (76, 532895), (95, 426316), (110, 368182), (190, 213158), (209, 193780), (220, 184091), (380, 106579), (418, 96890), (836, 48445), (1045, 38756), (2090, 19378), (4180, 9689)]