12710420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8951}}^1$

素因数の和:9031

約数の個数: 24

約数和(自身を含む): 27070848

約数和(自身を除く): 14360428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8951, 17902, 35804, 44755, 89510, 179020, 635521, 1271042, 2542084, 3177605, 6355210, 12710420]

約数ペア:

[(1, 12710420), (2, 6355210), (4, 3177605), (5, 2542084), (10, 1271042), (20, 635521), (71, 179020), (142, 89510), (284, 44755), (355, 35804), (710, 17902), (1420, 8951)]