66404080

素因数分解:

$2^4\times 5^1\times {\mathrm{830051}}^1$

素因数の和:830064

約数の個数: 20

約数和(自身を含む): 154389672

約数和(自身を除く): 87985592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830051, 1660102, 3320204, 4150255, 6640408, 8300510, 13280816, 16601020, 33202040, 66404080]

約数ペア:

[(1, 66404080), (2, 33202040), (4, 16601020), (5, 13280816), (8, 8300510), (10, 6640408), (16, 4150255), (20, 3320204), (40, 1660102), (80, 830051)]