201695180

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{5419}}^1$

素因数の和:7289

約数の個数: 24

約数和(自身を含む): 423865680

約数和(自身を除く): 222170500

約数列:

[1, 2, 4, 5, 10, 20, 1861, 3722, 5419, 7444, 9305, 10838, 18610, 21676, 27095, 37220, 54190, 108380, 10084759, 20169518, 40339036, 50423795, 100847590, 201695180]

約数ペア:

[(1, 201695180), (2, 100847590), (4, 50423795), (5, 40339036), (10, 20169518), (20, 10084759), (1861, 108380), (3722, 54190), (5419, 37220), (7444, 27095), (9305, 21676), (10838, 18610)]