13242020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 31667328

約数和(自身を除く): 18425308

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, 2617, 5060, 5234, 10468, 13085, 26170, 28787, 52340, 57574, 60191, 115148, 120382, 143935, 240764, 287870, 300955, 575740, 601910, 662101, 1203820, 1324202, 2648404, 3310505, 6621010, 13242020]

約数ペア:

[(1, 13242020), (2, 6621010), (4, 3310505), (5, 2648404), (10, 1324202), (11, 1203820), (20, 662101), (22, 601910), (23, 575740), (44, 300955), (46, 287870), (55, 240764), (92, 143935), (110, 120382), (115, 115148), (220, 60191), (230, 57574), (253, 52340), (460, 28787), (506, 26170), (1012, 13085), (1265, 10468), (2530, 5234), (2617, 5060)]