68674580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264133}}^1$

素因数の和:264155

約数の個数: 24

約数和(自身を含む): 155310792

約数和(自身を除く): 86636212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 264133, 528266, 1056532, 1320665, 2641330, 3433729, 5282660, 6867458, 13734916, 17168645, 34337290, 68674580]

約数ペア:

[(1, 68674580), (2, 34337290), (4, 17168645), (5, 13734916), (10, 6867458), (13, 5282660), (20, 3433729), (26, 2641330), (52, 1320665), (65, 1056532), (130, 528266), (260, 264133)]