2640580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4259}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 5725440

約数和(自身を除く): 3084860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4259, 8518, 17036, 21295, 42590, 85180, 132029, 264058, 528116, 660145, 1320290, 2640580]

約数ペア:

[(1, 2640580), (2, 1320290), (4, 660145), (5, 528116), (10, 264058), (20, 132029), (31, 85180), (62, 42590), (124, 21295), (155, 17036), (310, 8518), (620, 4259)]