1580494840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{349667}}^1$

素因数の和:349791

約数の個数: 32

約数和(自身を含む): 3587593680

約数和(自身を除く): 2007098840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 349667, 699334, 1398668, 1748335, 2797336, 3496670, 6993340, 13986680, 39512371, 79024742, 158049484, 197561855, 316098968, 395123710, 790247420, 1580494840]

約数ペア:

[(1, 1580494840), (2, 790247420), (4, 395123710), (5, 316098968), (8, 197561855), (10, 158049484), (20, 79024742), (40, 39512371), (113, 13986680), (226, 6993340), (452, 3496670), (565, 2797336), (904, 1748335), (1130, 1398668), (2260, 699334), (4520, 349667)]