5105560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 11602800

約数和(自身を除く): 6497240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1171, 2180, 2342, 4360, 4684, 5855, 9368, 11710, 23420, 46840, 127639, 255278, 510556, 638195, 1021112, 1276390, 2552780, 5105560]

約数ペア:

[(1, 5105560), (2, 2552780), (4, 1276390), (5, 1021112), (8, 638195), (10, 510556), (20, 255278), (40, 127639), (109, 46840), (218, 23420), (436, 11710), (545, 9368), (872, 5855), (1090, 4684), (1171, 4360), (2180, 2342)]