128404510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{75979}}^1$

素因数の和:76012

約数の個数: 24

約数和(自身を含む): 250278120

約数和(自身を除く): 121873610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 75979, 151958, 379895, 759790, 987727, 1975454, 4938635, 9877270, 12840451, 25680902, 64202255, 128404510]

約数ペア:

[(1, 128404510), (2, 64202255), (5, 25680902), (10, 12840451), (13, 9877270), (26, 4938635), (65, 1975454), (130, 987727), (169, 759790), (338, 379895), (845, 151958), (1690, 75979)]