6451540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1979}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 13638240

約数和(自身を除く): 7186700

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 1979, 3260, 3958, 7916, 9895, 19790, 39580, 322577, 645154, 1290308, 1612885, 3225770, 6451540]

約数ペア:

[(1, 6451540), (2, 3225770), (4, 1612885), (5, 1290308), (10, 645154), (20, 322577), (163, 39580), (326, 19790), (652, 9895), (815, 7916), (1630, 3958), (1979, 3260)]