79775980

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{2749}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 167706000

約数和(自身を除く): 87930020

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2749, 2902, 5498, 5804, 7255, 10996, 13745, 14510, 27490, 29020, 54980, 3988799, 7977598, 15955196, 19943995, 39887990, 79775980]

約数ペア:

[(1, 79775980), (2, 39887990), (4, 19943995), (5, 15955196), (10, 7977598), (20, 3988799), (1451, 54980), (2749, 29020), (2902, 27490), (5498, 14510), (5804, 13745), (7255, 10996)]