9205651880

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{579701}}^1$

素因数の和:580109

約数の個数: 32

約数和(自身を含む): 20764925640

約数和(自身を除く): 11559273760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 15880, 579701, 1159402, 2318804, 2898505, 4637608, 5797010, 11594020, 23188040, 230141297, 460282594, 920565188, 1150706485, 1841130376, 2301412970, 4602825940, 9205651880]

約数ペア:

[(1, 9205651880), (2, 4602825940), (4, 2301412970), (5, 1841130376), (8, 1150706485), (10, 920565188), (20, 460282594), (40, 230141297), (397, 23188040), (794, 11594020), (1588, 5797010), (1985, 4637608), (3176, 2898505), (3970, 2318804), (7940, 1159402), (15880, 579701)]