63741620

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6491}}^1$

素因数の和:6991

約数の個数: 24

約数和(自身を含む): 134150688

約数和(自身を除く): 70409068

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 6491, 9820, 12982, 25964, 32455, 64910, 129820, 3187081, 6374162, 12748324, 15935405, 31870810, 63741620]

約数ペア:

[(1, 63741620), (2, 31870810), (4, 15935405), (5, 12748324), (10, 6374162), (20, 3187081), (491, 129820), (982, 64910), (1964, 32455), (2455, 25964), (4910, 12982), (6491, 9820)]