25383020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 32405620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 419, 466, 838, 932, 1165, 1676, 2095, 2330, 3029, 4190, 4660, 5447, 6058, 8380, 10894, 12116, 15145, 21788, 27235, 30290, 54470, 60580, 97627, 108940, 195254, 390508, 488135, 976270, 1269151, 1952540, 2538302, 5076604, 6345755, 12691510, 25383020]

約数ペア:

[(1, 25383020), (2, 12691510), (4, 6345755), (5, 5076604), (10, 2538302), (13, 1952540), (20, 1269151), (26, 976270), (52, 488135), (65, 390508), (130, 195254), (233, 108940), (260, 97627), (419, 60580), (466, 54470), (838, 30290), (932, 27235), (1165, 21788), (1676, 15145), (2095, 12116), (2330, 10894), (3029, 8380), (4190, 6058), (4660, 5447)]