61534960

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2179}}^1$

素因数の和:2545

約数の個数: 40

約数和(自身を含む): 143539920

約数和(自身を除く): 82004960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1765, 2179, 2824, 3530, 4358, 5648, 7060, 8716, 10895, 14120, 17432, 21790, 28240, 34864, 43580, 87160, 174320, 769187, 1538374, 3076748, 3845935, 6153496, 7691870, 12306992, 15383740, 30767480, 61534960]

約数ペア:

[(1, 61534960), (2, 30767480), (4, 15383740), (5, 12306992), (8, 7691870), (10, 6153496), (16, 3845935), (20, 3076748), (40, 1538374), (80, 769187), (353, 174320), (706, 87160), (1412, 43580), (1765, 34864), (2179, 28240), (2824, 21790), (3530, 17432), (4358, 14120), (5648, 10895), (7060, 8716)]