68329640

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1607}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 153982080

約数和(自身を除く): 85652440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 1607, 2126, 3214, 4252, 5315, 6428, 8035, 8504, 10630, 12856, 16070, 21260, 32140, 42520, 64280, 1708241, 3416482, 6832964, 8541205, 13665928, 17082410, 34164820, 68329640]

約数ペア:

[(1, 68329640), (2, 34164820), (4, 17082410), (5, 13665928), (8, 8541205), (10, 6832964), (20, 3416482), (40, 1708241), (1063, 64280), (1607, 42520), (2126, 32140), (3214, 21260), (4252, 16070), (5315, 12856), (6428, 10630), (8035, 8504)]