51851540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199429}}^1$

素因数の和:199451

約数の個数: 24

約数和(自身を含む): 117264840

約数和(自身を除く): 65413300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 199429, 398858, 797716, 997145, 1994290, 2592577, 3988580, 5185154, 10370308, 12962885, 25925770, 51851540]

約数ペア:

[(1, 51851540), (2, 25925770), (4, 12962885), (5, 10370308), (10, 5185154), (13, 3988580), (20, 2592577), (26, 1994290), (52, 997145), (65, 797716), (130, 398858), (260, 199429)]