684580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2633}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 1548792

約数和(自身を除く): 864212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2633, 5266, 10532, 13165, 26330, 34229, 52660, 68458, 136916, 171145, 342290, 684580]

約数ペア:

[(1, 684580), (2, 342290), (4, 171145), (5, 136916), (10, 68458), (13, 52660), (20, 34229), (26, 26330), (52, 13165), (65, 10532), (130, 5266), (260, 2633)]