31570120

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5297}}^1$

素因数の和:5457

約数の個数: 32

約数和(自身を含む): 71523000

約数和(自身を除く): 39952880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5297, 5960, 10594, 21188, 26485, 42376, 52970, 105940, 211880, 789253, 1578506, 3157012, 3946265, 6314024, 7892530, 15785060, 31570120]

約数ペア:

[(1, 31570120), (2, 15785060), (4, 7892530), (5, 6314024), (8, 3946265), (10, 3157012), (20, 1578506), (40, 789253), (149, 211880), (298, 105940), (596, 52970), (745, 42376), (1192, 26485), (1490, 21188), (2980, 10594), (5297, 5960)]