51987130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17387}}^1$

素因数の和:17430

約数の個数: 32

約数和(自身を含む): 105162624

約数和(自身を除く): 53175494

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 17387, 34774, 86935, 173870, 226031, 399901, 452062, 799802, 1130155, 1999505, 2260310, 3999010, 5198713, 10397426, 25993565, 51987130]

約数ペア:

[(1, 51987130), (2, 25993565), (5, 10397426), (10, 5198713), (13, 3999010), (23, 2260310), (26, 1999505), (46, 1130155), (65, 799802), (115, 452062), (130, 399901), (230, 226031), (299, 173870), (598, 86935), (1495, 34774), (2990, 17387)]