64160540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{47881}}^1$

素因数の和:47957

約数の個数: 24

約数和(自身を含む): 136750992

約数和(自身を除く): 72590452

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 47881, 95762, 191524, 239405, 478810, 957620, 3208027, 6416054, 12832108, 16040135, 32080270, 64160540]

約数ペア:

[(1, 64160540), (2, 32080270), (4, 16040135), (5, 12832108), (10, 6416054), (20, 3208027), (67, 957620), (134, 478810), (268, 239405), (335, 191524), (670, 95762), (1340, 47881)]