57621980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221623}}^1$

素因数の和:221645

約数の個数: 24

約数和(自身を含む): 130314912

約数和(自身を除く): 72692932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 221623, 443246, 886492, 1108115, 2216230, 2881099, 4432460, 5762198, 11524396, 14405495, 28810990, 57621980]

約数ペア:

[(1, 57621980), (2, 28810990), (4, 14405495), (5, 11524396), (10, 5762198), (13, 4432460), (20, 2881099), (26, 2216230), (52, 1108115), (65, 886492), (130, 443246), (260, 221623)]