40385440

素因数分解:

$2^5\times 5^1\times {\mathrm{252409}}^1$

素因数の和:252424

約数の個数: 24

約数和(自身を含む): 95410980

約数和(自身を除く): 55025540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 252409, 504818, 1009636, 1262045, 2019272, 2524090, 4038544, 5048180, 8077088, 10096360, 20192720, 40385440]

約数ペア:

[(1, 40385440), (2, 20192720), (4, 10096360), (5, 8077088), (8, 5048180), (10, 4038544), (16, 2524090), (20, 2019272), (32, 1262045), (40, 1009636), (80, 504818), (160, 252409)]