13049740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2579}}^1$

素因数の和:2622

約数の個数: 48

約数和(自身を含む): 31207680

約数和(自身を除く): 18157940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 2579, 5060, 5158, 10316, 12895, 25790, 28369, 51580, 56738, 59317, 113476, 118634, 141845, 237268, 283690, 296585, 567380, 593170, 652487, 1186340, 1304974, 2609948, 3262435, 6524870, 13049740]

約数ペア:

[(1, 13049740), (2, 6524870), (4, 3262435), (5, 2609948), (10, 1304974), (11, 1186340), (20, 652487), (22, 593170), (23, 567380), (44, 296585), (46, 283690), (55, 237268), (92, 141845), (110, 118634), (115, 113476), (220, 59317), (230, 56738), (253, 51580), (460, 28369), (506, 25790), (1012, 12895), (1265, 10316), (2530, 5158), (2579, 5060)]