12749740

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2011}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 26872272

約数和(自身を除く): 14122532

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 2011, 3170, 4022, 6340, 8044, 10055, 20110, 40220, 637487, 1274974, 2549948, 3187435, 6374870, 12749740]

約数ペア:

[(1, 12749740), (2, 6374870), (4, 3187435), (5, 2549948), (10, 1274974), (20, 637487), (317, 40220), (634, 20110), (1268, 10055), (1585, 8044), (2011, 6340), (3170, 4022)]