78864160

素因数分解:

$2^5\times 5^1\times {\mathrm{492901}}^1$

素因数の和:492916

約数の個数: 24

約数和(自身を含む): 186316956

約数和(自身を除く): 107452796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 492901, 985802, 1971604, 2464505, 3943208, 4929010, 7886416, 9858020, 15772832, 19716040, 39432080, 78864160]

約数ペア:

[(1, 78864160), (2, 39432080), (4, 19716040), (5, 15772832), (8, 9858020), (10, 7886416), (16, 4929010), (20, 3943208), (32, 2464505), (40, 1971604), (80, 985802), (160, 492901)]