130888280

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{31769}}^1$

素因数の和:31883

約数の個数: 32

約数和(自身を含む): 297367200

約数和(自身を除く): 166478920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 31769, 63538, 127076, 158845, 254152, 317690, 635380, 1270760, 3272207, 6544414, 13088828, 16361035, 26177656, 32722070, 65444140, 130888280]

約数ペア:

[(1, 130888280), (2, 65444140), (4, 32722070), (5, 26177656), (8, 16361035), (10, 13088828), (20, 6544414), (40, 3272207), (103, 1270760), (206, 635380), (412, 317690), (515, 254152), (824, 158845), (1030, 127076), (2060, 63538), (4120, 31769)]