64109620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{47843}}^1$

素因数の和:47919

約数の個数: 24

約数和(自身を含む): 136642464

約数和(自身を除く): 72532844

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 47843, 95686, 191372, 239215, 478430, 956860, 3205481, 6410962, 12821924, 16027405, 32054810, 64109620]

約数ペア:

[(1, 64109620), (2, 32054810), (4, 16027405), (5, 12821924), (10, 6410962), (20, 3205481), (67, 956860), (134, 478430), (268, 239215), (335, 191372), (670, 95686), (1340, 47843)]