9884440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4051}}^1$

素因数の和:4123

約数の個数: 32

約数和(自身を含む): 22610160

約数和(自身を除く): 12725720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4051, 8102, 16204, 20255, 32408, 40510, 81020, 162040, 247111, 494222, 988444, 1235555, 1976888, 2471110, 4942220, 9884440]

約数ペア:

[(1, 9884440), (2, 4942220), (4, 2471110), (5, 1976888), (8, 1235555), (10, 988444), (20, 494222), (40, 247111), (61, 162040), (122, 81020), (244, 40510), (305, 32408), (488, 20255), (610, 16204), (1220, 8102), (2440, 4051)]