64568020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{26681}}^1$

素因数の和:26712

約数の個数: 36

約数和(自身を含む): 149045652

約数和(自身を除く): 84477632

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 26681, 53362, 106724, 133405, 266810, 293491, 533620, 586982, 1173964, 1467455, 2934910, 3228401, 5869820, 6456802, 12913604, 16142005, 32284010, 64568020]

約数ペア:

[(1, 64568020), (2, 32284010), (4, 16142005), (5, 12913604), (10, 6456802), (11, 5869820), (20, 3228401), (22, 2934910), (44, 1467455), (55, 1173964), (110, 586982), (121, 533620), (220, 293491), (242, 266810), (484, 133405), (605, 106724), (1210, 53362), (2420, 26681)]