16868360

素因数分解:

$2^3\times 5^1\times {\mathrm{421709}}^1$

素因数の和:421720

約数の個数: 16

約数和(自身を含む): 37953900

約数和(自身を除く): 21085540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421709, 843418, 1686836, 2108545, 3373672, 4217090, 8434180, 16868360]

約数ペア:

[(1, 16868360), (2, 8434180), (4, 4217090), (5, 3373672), (8, 2108545), (10, 1686836), (20, 843418), (40, 421709)]