31299580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120383}}^1$

素因数の和:120405

約数の個数: 24

約数和(自身を含む): 70785792

約数和(自身を除く): 39486212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120383, 240766, 481532, 601915, 1203830, 1564979, 2407660, 3129958, 6259916, 7824895, 15649790, 31299580]

約数ペア:

[(1, 31299580), (2, 15649790), (4, 7824895), (5, 6259916), (10, 3129958), (13, 2407660), (20, 1564979), (26, 1203830), (52, 601915), (65, 481532), (130, 240766), (260, 120383)]