16172920

素因数分解:

$2^3\times 5^1\times {\mathrm{404323}}^1$

素因数の和:404334

約数の個数: 16

約数和(自身を含む): 36389160

約数和(自身を除く): 20216240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 404323, 808646, 1617292, 2021615, 3234584, 4043230, 8086460, 16172920]

約数ペア:

[(1, 16172920), (2, 8086460), (4, 4043230), (5, 3234584), (8, 2021615), (10, 1617292), (20, 808646), (40, 404323)]