13659140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 31981824

約数和(自身を除く): 18322684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1321, 2068, 2585, 2642, 5170, 5284, 6605, 10340, 13210, 14531, 26420, 29062, 58124, 62087, 72655, 124174, 145310, 248348, 290620, 310435, 620870, 682957, 1241740, 1365914, 2731828, 3414785, 6829570, 13659140]

約数ペア:

[(1, 13659140), (2, 6829570), (4, 3414785), (5, 2731828), (10, 1365914), (11, 1241740), (20, 682957), (22, 620870), (44, 310435), (47, 290620), (55, 248348), (94, 145310), (110, 124174), (188, 72655), (220, 62087), (235, 58124), (470, 29062), (517, 26420), (940, 14531), (1034, 13210), (1321, 10340), (2068, 6605), (2585, 5284), (2642, 5170)]