85289780

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{2939}}^1$

素因数の和:4399

約数の個数: 24

約数和(自身を含む): 179292960

約数和(自身を除く): 94003180

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2902, 2939, 5804, 5878, 7255, 11756, 14510, 14695, 29020, 29390, 58780, 4264489, 8528978, 17057956, 21322445, 42644890, 85289780]

約数ペア:

[(1, 85289780), (2, 42644890), (4, 21322445), (5, 17057956), (10, 8528978), (20, 4264489), (1451, 58780), (2902, 29390), (2939, 29020), (5804, 14695), (5878, 14510), (7255, 11756)]