51591020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198427}}^1$

素因数の和:198449

約数の個数: 24

約数和(自身を含む): 116675664

約数和(自身を除く): 65084644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198427, 396854, 793708, 992135, 1984270, 2579551, 3968540, 5159102, 10318204, 12897755, 25795510, 51591020]

約数ペア:

[(1, 51591020), (2, 25795510), (4, 12897755), (5, 10318204), (10, 5159102), (13, 3968540), (20, 2579551), (26, 1984270), (52, 992135), (65, 793708), (130, 396854), (260, 198427)]