409767520

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6451}}^1$

素因数の和:6863

約数の個数: 48

約数和(自身を含む): 970664688

約数和(自身を除く): 560897168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1588, 1985, 3176, 3970, 6352, 6451, 7940, 12704, 12902, 15880, 25804, 31760, 32255, 51608, 63520, 64510, 103216, 129020, 206432, 258040, 516080, 1032160, 2561047, 5122094, 10244188, 12805235, 20488376, 25610470, 40976752, 51220940, 81953504, 102441880, 204883760, 409767520]

約数ペア:

[(1, 409767520), (2, 204883760), (4, 102441880), (5, 81953504), (8, 51220940), (10, 40976752), (16, 25610470), (20, 20488376), (32, 12805235), (40, 10244188), (80, 5122094), (160, 2561047), (397, 1032160), (794, 516080), (1588, 258040), (1985, 206432), (3176, 129020), (3970, 103216), (6352, 64510), (6451, 63520), (7940, 51608), (12704, 32255), (12902, 31760), (15880, 25804)]