66785540

素因数分解:

$2^2\times 5^1\times {\mathrm{1567}}^1\times {\mathrm{2131}}^1$

素因数の和:3707

約数の個数: 24

約数和(自身を含む): 140404992

約数和(自身を除く): 73619452

約数列:

[1, 2, 4, 5, 10, 20, 1567, 2131, 3134, 4262, 6268, 7835, 8524, 10655, 15670, 21310, 31340, 42620, 3339277, 6678554, 13357108, 16696385, 33392770, 66785540]

約数ペア:

[(1, 66785540), (2, 33392770), (4, 16696385), (5, 13357108), (10, 6678554), (20, 3339277), (1567, 42620), (2131, 31340), (3134, 21310), (4262, 15670), (6268, 10655), (7835, 8524)]