804757780

素因数分解:

$2^2\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{15823}}^1$

素因数の和:18375

約数の個数: 24

約数和(自身を含む): 1690762752

約数和(自身を除く): 886004972

約数列:

[1, 2, 4, 5, 10, 20, 2543, 5086, 10172, 12715, 15823, 25430, 31646, 50860, 63292, 79115, 158230, 316460, 40237889, 80475778, 160951556, 201189445, 402378890, 804757780]

約数ペア:

[(1, 804757780), (2, 402378890), (4, 201189445), (5, 160951556), (10, 80475778), (20, 40237889), (2543, 316460), (5086, 158230), (10172, 79115), (12715, 63292), (15823, 50860), (25430, 31646)]