31515640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60607}}^1$

素因数の和:60631

約数の個数: 32

約数和(自身を含む): 76366080

約数和(自身を除く): 44850440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60607, 121214, 242428, 303035, 484856, 606070, 787891, 1212140, 1575782, 2424280, 3151564, 3939455, 6303128, 7878910, 15757820, 31515640]

約数ペア:

[(1, 31515640), (2, 15757820), (4, 7878910), (5, 6303128), (8, 3939455), (10, 3151564), (13, 2424280), (20, 1575782), (26, 1212140), (40, 787891), (52, 606070), (65, 484856), (104, 303035), (130, 242428), (260, 121214), (520, 60607)]