28385440

素因数分解:

$2^5\times 5^1\times {\mathrm{177409}}^1$

素因数の和:177424

約数の個数: 24

約数和(自身を含む): 67060980

約数和(自身を除く): 38675540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177409, 354818, 709636, 887045, 1419272, 1774090, 2838544, 3548180, 5677088, 7096360, 14192720, 28385440]

約数ペア:

[(1, 28385440), (2, 14192720), (4, 7096360), (5, 5677088), (8, 3548180), (10, 2838544), (16, 1774090), (20, 1419272), (32, 887045), (40, 709636), (80, 354818), (160, 177409)]