16978840

素因数分解:

$2^3\times 5^1\times {\mathrm{424471}}^1$

素因数の和:424482

約数の個数: 16

約数和(自身を含む): 38202480

約数和(自身を除く): 21223640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 424471, 848942, 1697884, 2122355, 3395768, 4244710, 8489420, 16978840]

約数ペア:

[(1, 16978840), (2, 8489420), (4, 4244710), (5, 3395768), (8, 2122355), (10, 1697884), (20, 848942), (40, 424471)]