30921020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118927}}^1$

素因数の和:118949

約数の個数: 24

約数和(自身を含む): 69929664

約数和(自身を除く): 39008644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 118927, 237854, 475708, 594635, 1189270, 1546051, 2378540, 3092102, 6184204, 7730255, 15460510, 30921020]

約数ペア:

[(1, 30921020), (2, 15460510), (4, 7730255), (5, 6184204), (10, 3092102), (13, 2378540), (20, 1546051), (26, 1189270), (52, 594635), (65, 475708), (130, 237854), (260, 118927)]