2019340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3257}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 4378752

約数和(自身を除く): 2359412

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3257, 6514, 13028, 16285, 32570, 65140, 100967, 201934, 403868, 504835, 1009670, 2019340]

約数ペア:

[(1, 2019340), (2, 1009670), (4, 504835), (5, 403868), (10, 201934), (20, 100967), (31, 65140), (62, 32570), (124, 16285), (155, 13028), (310, 6514), (620, 3257)]