20131960

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1871}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 45489600

約数和(自身を除く): 25357640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1871, 2152, 2690, 3742, 5380, 7484, 9355, 10760, 14968, 18710, 37420, 74840, 503299, 1006598, 2013196, 2516495, 4026392, 5032990, 10065980, 20131960]

約数ペア:

[(1, 20131960), (2, 10065980), (4, 5032990), (5, 4026392), (8, 2516495), (10, 2013196), (20, 1006598), (40, 503299), (269, 74840), (538, 37420), (1076, 18710), (1345, 14968), (1871, 10760), (2152, 9355), (2690, 7484), (3742, 5380)]