40494940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20047}}^1$

素因数の和:20157

約数の個数: 24

約数和(自身を含む): 85885632

約数和(自身を除く): 45390692

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 20047, 40094, 80188, 100235, 200470, 400940, 2024747, 4049494, 8098988, 10123735, 20247470, 40494940]

約数ペア:

[(1, 40494940), (2, 20247470), (4, 10123735), (5, 8098988), (10, 4049494), (20, 2024747), (101, 400940), (202, 200470), (404, 100235), (505, 80188), (1010, 40094), (2020, 20047)]