3860980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 8225280

約数和(自身を除く): 4364300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2719, 5438, 10876, 13595, 27190, 54380, 193049, 386098, 772196, 965245, 1930490, 3860980]

約数ペア:

[(1, 3860980), (2, 1930490), (4, 965245), (5, 772196), (10, 386098), (20, 193049), (71, 54380), (142, 27190), (284, 13595), (355, 10876), (710, 5438), (1420, 2719)]