31822180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122393}}^1$

素因数の和:122415

約数の個数: 24

約数和(自身を含む): 71967672

約数和(自身を除く): 40145492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122393, 244786, 489572, 611965, 1223930, 1591109, 2447860, 3182218, 6364436, 7955545, 15911090, 31822180]

約数ペア:

[(1, 31822180), (2, 15911090), (4, 7955545), (5, 6364436), (10, 3182218), (13, 2447860), (20, 1591109), (26, 1223930), (52, 611965), (65, 489572), (130, 244786), (260, 122393)]