71372920

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1471}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 160830720

約数和(自身を除く): 89457800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 1471, 2426, 2942, 4852, 5884, 6065, 7355, 9704, 11768, 12130, 14710, 24260, 29420, 48520, 58840, 1784323, 3568646, 7137292, 8921615, 14274584, 17843230, 35686460, 71372920]

約数ペア:

[(1, 71372920), (2, 35686460), (4, 17843230), (5, 14274584), (8, 8921615), (10, 7137292), (20, 3568646), (40, 1784323), (1213, 58840), (1471, 48520), (2426, 29420), (2942, 24260), (4852, 14710), (5884, 12130), (6065, 11768), (7355, 9704)]