31477420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121067}}^1$

素因数の和:121089

約数の個数: 24

約数和(自身を含む): 71187984

約数和(自身を除く): 39710564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121067, 242134, 484268, 605335, 1210670, 1573871, 2421340, 3147742, 6295484, 7869355, 15738710, 31477420]

約数ペア:

[(1, 31477420), (2, 15738710), (4, 7869355), (5, 6295484), (10, 3147742), (13, 2421340), (20, 1573871), (26, 1210670), (52, 605335), (65, 484268), (130, 242134), (260, 121067)]