61770680

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1741}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 139220640

約数和(自身を除く): 77449960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1741, 1774, 3482, 3548, 4435, 6964, 7096, 8705, 8870, 13928, 17410, 17740, 34820, 35480, 69640, 1544267, 3088534, 6177068, 7721335, 12354136, 15442670, 30885340, 61770680]

約数ペア:

[(1, 61770680), (2, 30885340), (4, 15442670), (5, 12354136), (8, 7721335), (10, 6177068), (20, 3088534), (40, 1544267), (887, 69640), (1741, 35480), (1774, 34820), (3482, 17740), (3548, 17410), (4435, 13928), (6964, 8870), (7096, 8705)]