155560420

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{4951}}^1$

素因数の和:6531

約数の個数: 24

約数和(自身を含む): 326950848

約数和(自身を除く): 171390428

約数列:

[1, 2, 4, 5, 10, 20, 1571, 3142, 4951, 6284, 7855, 9902, 15710, 19804, 24755, 31420, 49510, 99020, 7778021, 15556042, 31112084, 38890105, 77780210, 155560420]

約数ペア:

[(1, 155560420), (2, 77780210), (4, 38890105), (5, 31112084), (10, 15556042), (20, 7778021), (1571, 99020), (3142, 49510), (4951, 31420), (6284, 24755), (7855, 19804), (9902, 15710)]