2015012620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{3187}}^1$

素因数の和:3610

約数の個数: 48

約数和(自身を含む): 4288421088

約数和(自身を除く): 2273408468

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 313, 404, 505, 626, 1010, 1252, 1565, 2020, 3130, 3187, 6260, 6374, 12748, 15935, 31613, 31870, 63226, 63740, 126452, 158065, 316130, 321887, 632260, 643774, 997531, 1287548, 1609435, 1995062, 3218870, 3990124, 4987655, 6437740, 9975310, 19950620, 100750631, 201501262, 403002524, 503753155, 1007506310, 2015012620]

約数ペア:

[(1, 2015012620), (2, 1007506310), (4, 503753155), (5, 403002524), (10, 201501262), (20, 100750631), (101, 19950620), (202, 9975310), (313, 6437740), (404, 4987655), (505, 3990124), (626, 3218870), (1010, 1995062), (1252, 1609435), (1565, 1287548), (2020, 997531), (3130, 643774), (3187, 632260), (6260, 321887), (6374, 316130), (12748, 158065), (15935, 126452), (31613, 63740), (31870, 63226)]