80693540

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{3299}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 169646400

約数和(自身を除く): 88952860

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 3299, 4892, 6115, 6598, 12230, 13196, 16495, 24460, 32990, 65980, 4034677, 8069354, 16138708, 20173385, 40346770, 80693540]

約数ペア:

[(1, 80693540), (2, 40346770), (4, 20173385), (5, 16138708), (10, 8069354), (20, 4034677), (1223, 65980), (2446, 32990), (3299, 24460), (4892, 16495), (6115, 13196), (6598, 12230)]