31730660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122041}}^1$

素因数の和:122063

約数の個数: 24

約数和(自身を含む): 71760696

約数和(自身を除く): 40030036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122041, 244082, 488164, 610205, 1220410, 1586533, 2440820, 3173066, 6346132, 7932665, 15865330, 31730660]

約数ペア:

[(1, 31730660), (2, 15865330), (4, 7932665), (5, 6346132), (10, 3173066), (13, 2440820), (20, 1586533), (26, 1220410), (52, 610205), (65, 488164), (130, 244082), (260, 122041)]