516562540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1986779}}^1$

素因数の和:1986801

約数の個数: 24

約数和(自身を含む): 1168226640

約数和(自身を除く): 651664100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1986779, 3973558, 7947116, 9933895, 19867790, 25828127, 39735580, 51656254, 103312508, 129140635, 258281270, 516562540]

約数ペア:

[(1, 516562540), (2, 258281270), (4, 129140635), (5, 103312508), (10, 51656254), (13, 39735580), (20, 25828127), (26, 19867790), (52, 9933895), (65, 7947116), (130, 3973558), (260, 1986779)]