38721020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{148927}}^1$

素因数の和:148949

約数の個数: 24

約数和(自身を含む): 87569664

約数和(自身を除く): 48848644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 148927, 297854, 595708, 744635, 1489270, 1936051, 2978540, 3872102, 7744204, 9680255, 19360510, 38721020]

約数ペア:

[(1, 38721020), (2, 19360510), (4, 9680255), (5, 7744204), (10, 3872102), (13, 2978540), (20, 1936051), (26, 1489270), (52, 744635), (65, 595708), (130, 297854), (260, 148927)]