172155140

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{10459}}^1$

素因数の和:11291

約数の個数: 24

約数和(自身を含む): 361999680

約数和(自身を除く): 189844540

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4115, 8230, 10459, 16460, 20918, 41836, 52295, 104590, 209180, 8607757, 17215514, 34431028, 43038785, 86077570, 172155140]

約数ペア:

[(1, 172155140), (2, 86077570), (4, 43038785), (5, 34431028), (10, 17215514), (20, 8607757), (823, 209180), (1646, 104590), (3292, 52295), (4115, 41836), (8230, 20918), (10459, 16460)]