40193660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154591}}^1$

素因数の和:154613

約数の個数: 24

約数和(自身を含む): 90900096

約数和(自身を除く): 50706436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154591, 309182, 618364, 772955, 1545910, 2009683, 3091820, 4019366, 8038732, 10048415, 20096830, 40193660]

約数ペア:

[(1, 40193660), (2, 20096830), (4, 10048415), (5, 8038732), (10, 4019366), (13, 3091820), (20, 2009683), (26, 1545910), (52, 772955), (65, 618364), (130, 309182), (260, 154591)]