64801340

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^2\times {\mathrm{283}}^1$

素因数の和:506

約数の個数: 36

約数和(自身を含む): 137851896

約数和(自身を除く): 73050556

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 283, 428, 535, 566, 1070, 1132, 1415, 2140, 2830, 5660, 11449, 22898, 30281, 45796, 57245, 60562, 114490, 121124, 151405, 228980, 302810, 605620, 3240067, 6480134, 12960268, 16200335, 32400670, 64801340]

約数ペア:

[(1, 64801340), (2, 32400670), (4, 16200335), (5, 12960268), (10, 6480134), (20, 3240067), (107, 605620), (214, 302810), (283, 228980), (428, 151405), (535, 121124), (566, 114490), (1070, 60562), (1132, 57245), (1415, 45796), (2140, 30281), (2830, 22898), (5660, 11449)]