30906320

素因数分解:

$2^4\times 5^1\times {\mathrm{386329}}^1$

素因数の和:386342

約数の個数: 20

約数和(自身を含む): 71857380

約数和(自身を除く): 40951060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386329, 772658, 1545316, 1931645, 3090632, 3863290, 6181264, 7726580, 15453160, 30906320]

約数ペア:

[(1, 30906320), (2, 15453160), (4, 7726580), (5, 6181264), (8, 3863290), (10, 3090632), (16, 1931645), (20, 1545316), (40, 772658), (80, 386329)]