79886960

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9887}}^1$

素因数の和:10001

約数の個数: 40

約数和(自身を含む): 187595136

約数和(自身を除く): 107708176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 9887, 19774, 39548, 49435, 79096, 98870, 158192, 197740, 395480, 790960, 998587, 1997174, 3994348, 4992935, 7988696, 9985870, 15977392, 19971740, 39943480, 79886960]

約数ペア:

[(1, 79886960), (2, 39943480), (4, 19971740), (5, 15977392), (8, 9985870), (10, 7988696), (16, 4992935), (20, 3994348), (40, 1997174), (80, 998587), (101, 790960), (202, 395480), (404, 197740), (505, 158192), (808, 98870), (1010, 79096), (1616, 49435), (2020, 39548), (4040, 19774), (8080, 9887)]