31195580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{119983}}^1$

素因数の和:120005

約数の個数: 24

約数和(自身を含む): 70550592

約数和(自身を除く): 39355012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 119983, 239966, 479932, 599915, 1199830, 1559779, 2399660, 3119558, 6239116, 7798895, 15597790, 31195580]

約数ペア:

[(1, 31195580), (2, 15597790), (4, 7798895), (5, 6239116), (10, 3119558), (13, 2399660), (20, 1559779), (26, 1199830), (52, 599915), (65, 479932), (130, 239966), (260, 119983)]