90287425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1949}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 119691000

約数和(自身を除く): 29403575

約数列:

[1, 5, 17, 25, 85, 109, 425, 545, 1853, 1949, 2725, 9265, 9745, 33133, 46325, 48725, 165665, 212441, 828325, 1062205, 3611497, 5311025, 18057485, 90287425]

約数ペア:

[(1, 90287425), (5, 18057485), (17, 5311025), (25, 3611497), (85, 1062205), (109, 828325), (425, 212441), (545, 165665), (1853, 48725), (1949, 46325), (2725, 33133), (9265, 9745)]