51461020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197927}}^1$

素因数の和:197949

約数の個数: 24

約数和(自身を含む): 116381664

約数和(自身を除く): 64920644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197927, 395854, 791708, 989635, 1979270, 2573051, 3958540, 5146102, 10292204, 12865255, 25730510, 51461020]

約数ペア:

[(1, 51461020), (2, 25730510), (4, 12865255), (5, 10292204), (10, 5146102), (13, 3958540), (20, 2573051), (26, 1979270), (52, 989635), (65, 791708), (130, 395854), (260, 197927)]