31022480

素因数分解:

$2^4\times 5^1\times {\mathrm{387781}}^1$

素因数の和:387794

約数の個数: 20

約数和(自身を含む): 72127452

約数和(自身を除く): 41104972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387781, 775562, 1551124, 1938905, 3102248, 3877810, 6204496, 7755620, 15511240, 31022480]

約数ペア:

[(1, 31022480), (2, 15511240), (4, 7755620), (5, 6204496), (8, 3877810), (10, 3102248), (16, 1938905), (20, 1551124), (40, 775562), (80, 387781)]