2057780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 4462080

約数和(自身を除く): 2404300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3319, 6638, 13276, 16595, 33190, 66380, 102889, 205778, 411556, 514445, 1028890, 2057780]

約数ペア:

[(1, 2057780), (2, 1028890), (4, 514445), (5, 411556), (10, 205778), (20, 102889), (31, 66380), (62, 33190), (124, 16595), (155, 13276), (310, 6638), (620, 3319)]