64657540

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{9767}}^1$

素因数の和:10107

約数の個数: 24

約数和(自身を含む): 136204992

約数和(自身を除く): 71547452

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 9767, 19534, 39068, 48835, 97670, 195340, 3232877, 6465754, 12931508, 16164385, 32328770, 64657540]

約数ペア:

[(1, 64657540), (2, 32328770), (4, 16164385), (5, 12931508), (10, 6465754), (20, 3232877), (331, 195340), (662, 97670), (1324, 48835), (1655, 39068), (3310, 19534), (6620, 9767)]