66826580

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{3767}}^1$

素因数の和:4663

約数の個数: 24

約数和(自身を含む): 140531328

約数和(自身を除く): 73704748

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 3767, 4435, 7534, 8870, 15068, 17740, 18835, 37670, 75340, 3341329, 6682658, 13365316, 16706645, 33413290, 66826580]

約数ペア:

[(1, 66826580), (2, 33413290), (4, 16706645), (5, 13365316), (10, 6682658), (20, 3341329), (887, 75340), (1774, 37670), (3548, 18835), (3767, 17740), (4435, 15068), (7534, 8870)]