31455580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{359}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 71547840

約数和(自身を除く): 40092260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 359, 674, 718, 1348, 1436, 1685, 1795, 3370, 3590, 4381, 4667, 6740, 7180, 8762, 9334, 17524, 18668, 21905, 23335, 43810, 46670, 87620, 93340, 120983, 241966, 483932, 604915, 1209830, 1572779, 2419660, 3145558, 6291116, 7863895, 15727790, 31455580]

約数ペア:

[(1, 31455580), (2, 15727790), (4, 7863895), (5, 6291116), (10, 3145558), (13, 2419660), (20, 1572779), (26, 1209830), (52, 604915), (65, 483932), (130, 241966), (260, 120983), (337, 93340), (359, 87620), (674, 46670), (718, 43810), (1348, 23335), (1436, 21905), (1685, 18668), (1795, 17524), (3370, 9334), (3590, 8762), (4381, 7180), (4667, 6740)]