56485160

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3557}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 127447560

約数和(自身を除く): 70962400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3557, 3970, 7114, 7940, 14228, 15880, 17785, 28456, 35570, 71140, 142280, 1412129, 2824258, 5648516, 7060645, 11297032, 14121290, 28242580, 56485160]

約数ペア:

[(1, 56485160), (2, 28242580), (4, 14121290), (5, 11297032), (8, 7060645), (10, 5648516), (20, 2824258), (40, 1412129), (397, 142280), (794, 71140), (1588, 35570), (1985, 28456), (3176, 17785), (3557, 15880), (3970, 14228), (7114, 7940)]