200929640

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{12653}}^1$

素因数の和:13061

約数の個数: 32

約数和(自身を含む): 453266280

約数和(自身を除く): 252336640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 12653, 15880, 25306, 50612, 63265, 101224, 126530, 253060, 506120, 5023241, 10046482, 20092964, 25116205, 40185928, 50232410, 100464820, 200929640]

約数ペア:

[(1, 200929640), (2, 100464820), (4, 50232410), (5, 40185928), (8, 25116205), (10, 20092964), (20, 10046482), (40, 5023241), (397, 506120), (794, 253060), (1588, 126530), (1985, 101224), (3176, 63265), (3970, 50612), (7940, 25306), (12653, 15880)]