31870960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36217}}^1$

素因数の和:36241

約数の個数: 40

約数和(自身を含む): 80838576

約数和(自身を除く): 48967616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 36217, 72434, 144868, 181085, 289736, 362170, 398387, 579472, 724340, 796774, 1448680, 1593548, 1991935, 2897360, 3187096, 3983870, 6374192, 7967740, 15935480, 31870960]

約数ペア:

[(1, 31870960), (2, 15935480), (4, 7967740), (5, 6374192), (8, 3983870), (10, 3187096), (11, 2897360), (16, 1991935), (20, 1593548), (22, 1448680), (40, 796774), (44, 724340), (55, 579472), (80, 398387), (88, 362170), (110, 289736), (176, 181085), (220, 144868), (440, 72434), (880, 36217)]