31187260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9227}}^1$

素因数の和:9262

約数の個数: 36

約数和(自身を含む): 70926408

約数和(自身を除く): 39739148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 9227, 18454, 36908, 46135, 92270, 119951, 184540, 239902, 479804, 599755, 1199510, 1559363, 2399020, 3118726, 6237452, 7796815, 15593630, 31187260]

約数ペア:

[(1, 31187260), (2, 15593630), (4, 7796815), (5, 6237452), (10, 3118726), (13, 2399020), (20, 1559363), (26, 1199510), (52, 599755), (65, 479804), (130, 239902), (169, 184540), (260, 119951), (338, 92270), (676, 46135), (845, 36908), (1690, 18454), (3380, 9227)]