39791120

素因数分解:

$2^4\times 5^1\times {\mathrm{497389}}^1$

素因数の和:497402

約数の個数: 20

約数和(自身を含む): 92514540

約数和(自身を除く): 52723420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 497389, 994778, 1989556, 2486945, 3979112, 4973890, 7958224, 9947780, 19895560, 39791120]

約数ペア:

[(1, 39791120), (2, 19895560), (4, 9947780), (5, 7958224), (8, 4973890), (10, 3979112), (16, 2486945), (20, 1989556), (40, 994778), (80, 497389)]