40775920

素因数分解:

$2^4\times 5^1\times {\mathrm{509699}}^1$

素因数の和:509712

約数の個数: 20

約数和(自身を含む): 94804200

約数和(自身を除く): 54028280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509699, 1019398, 2038796, 2548495, 4077592, 5096990, 8155184, 10193980, 20387960, 40775920]

約数ペア:

[(1, 40775920), (2, 20387960), (4, 10193980), (5, 8155184), (8, 5096990), (10, 4077592), (16, 2548495), (20, 2038796), (40, 1019398), (80, 509699)]