66707440

素因数分解:

$2^4\times 5^1\times {\mathrm{833843}}^1$

素因数の和:833856

約数の個数: 20

約数和(自身を含む): 155094984

約数和(自身を除く): 88387544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 833843, 1667686, 3335372, 4169215, 6670744, 8338430, 13341488, 16676860, 33353720, 66707440]

約数ペア:

[(1, 66707440), (2, 33353720), (4, 16676860), (5, 13341488), (8, 8338430), (10, 6670744), (16, 4169215), (20, 3335372), (40, 1667686), (80, 833843)]