71294960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81017}}^1$

素因数の和:81041

約数の個数: 40

約数和(自身を含む): 180832176

約数和(自身を除く): 109537216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81017, 162034, 324068, 405085, 648136, 810170, 891187, 1296272, 1620340, 1782374, 3240680, 3564748, 4455935, 6481360, 7129496, 8911870, 14258992, 17823740, 35647480, 71294960]

約数ペア:

[(1, 71294960), (2, 35647480), (4, 17823740), (5, 14258992), (8, 8911870), (10, 7129496), (11, 6481360), (16, 4455935), (20, 3564748), (22, 3240680), (40, 1782374), (44, 1620340), (55, 1296272), (80, 891187), (88, 810170), (110, 648136), (176, 405085), (220, 324068), (440, 162034), (880, 81017)]