1808851460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6957121}}^1$

素因数の和:6957143

約数の個数: 24

約数和(自身を含む): 4090787736

約数和(自身を除く): 2281936276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6957121, 13914242, 27828484, 34785605, 69571210, 90442573, 139142420, 180885146, 361770292, 452212865, 904425730, 1808851460]

約数ペア:

[(1, 1808851460), (2, 904425730), (4, 452212865), (5, 361770292), (10, 180885146), (13, 139142420), (20, 90442573), (26, 69571210), (52, 34785605), (65, 27828484), (130, 13914242), (260, 6957121)]