64980490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{158489}}^1$

素因数の和:158537

約数の個数: 16

約数和(自身を含む): 119818440

約数和(自身を除く): 54837950

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 158489, 316978, 792445, 1584890, 6498049, 12996098, 32490245, 64980490]

約数ペア:

[(1, 64980490), (2, 32490245), (5, 12996098), (10, 6498049), (41, 1584890), (82, 792445), (205, 316978), (410, 158489)]