28625440

素因数分解:

$2^5\times 5^1\times {\mathrm{178909}}^1$

素因数の和:178924

約数の個数: 24

約数和(自身を含む): 67627980

約数和(自身を除く): 39002540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 178909, 357818, 715636, 894545, 1431272, 1789090, 2862544, 3578180, 5725088, 7156360, 14312720, 28625440]

約数ペア:

[(1, 28625440), (2, 14312720), (4, 7156360), (5, 5725088), (8, 3578180), (10, 2862544), (16, 1789090), (20, 1431272), (32, 894545), (40, 715636), (80, 357818), (160, 178909)]