28182260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82889}}^1$

素因数の和:82915

約数の個数: 24

約数和(自身を含む): 62664840

約数和(自身を除く): 34482580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 82889, 165778, 331556, 414445, 828890, 1409113, 1657780, 2818226, 5636452, 7045565, 14091130, 28182260]

約数ペア:

[(1, 28182260), (2, 14091130), (4, 7045565), (5, 5636452), (10, 2818226), (17, 1657780), (20, 1409113), (34, 828890), (68, 414445), (85, 331556), (170, 165778), (340, 82889)]