55145740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212099}}^1$

素因数の和:212121

約数の個数: 24

約数和(自身を含む): 124714800

約数和(自身を除く): 69569060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212099, 424198, 848396, 1060495, 2120990, 2757287, 4241980, 5514574, 11029148, 13786435, 27572870, 55145740]

約数ペア:

[(1, 55145740), (2, 27572870), (4, 13786435), (5, 11029148), (10, 5514574), (13, 4241980), (20, 2757287), (26, 2120990), (52, 1060495), (65, 848396), (130, 424198), (260, 212099)]