28873850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{19913}}^1$

素因数の和:19954

約数の個数: 24

約数和(自身を含む): 55560060

約数和(自身を除く): 26686210

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 19913, 39826, 99565, 199130, 497825, 577477, 995650, 1154954, 2887385, 5774770, 14436925, 28873850]

約数ペア:

[(1, 28873850), (2, 14436925), (5, 5774770), (10, 2887385), (25, 1154954), (29, 995650), (50, 577477), (58, 497825), (145, 199130), (290, 99565), (725, 39826), (1450, 19913)]