89769640

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5653}}^1$

素因数の和:6061

約数の個数: 32

約数和(自身を含む): 202526280

約数和(自身を除く): 112756640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 5653, 7940, 11306, 15880, 22612, 28265, 45224, 56530, 113060, 226120, 2244241, 4488482, 8976964, 11221205, 17953928, 22442410, 44884820, 89769640]

約数ペア:

[(1, 89769640), (2, 44884820), (4, 22442410), (5, 17953928), (8, 11221205), (10, 8976964), (20, 4488482), (40, 2244241), (397, 226120), (794, 113060), (1588, 56530), (1985, 45224), (3176, 28265), (3970, 22612), (5653, 15880), (7940, 11306)]