12953560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2971}}^1$

素因数の和:3091

約数の個数: 32

約数和(自身を含む): 29422800

約数和(自身を除く): 16469240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2971, 4360, 5942, 11884, 14855, 23768, 29710, 59420, 118840, 323839, 647678, 1295356, 1619195, 2590712, 3238390, 6476780, 12953560]

約数ペア:

[(1, 12953560), (2, 6476780), (4, 3238390), (5, 2590712), (8, 1619195), (10, 1295356), (20, 647678), (40, 323839), (109, 118840), (218, 59420), (436, 29710), (545, 23768), (872, 14855), (1090, 11884), (2180, 5942), (2971, 4360)]