16864280

素因数分解:

$2^3\times 5^1\times {\mathrm{421607}}^1$

素因数の和:421618

約数の個数: 16

約数和(自身を含む): 37944720

約数和(自身を除く): 21080440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421607, 843214, 1686428, 2108035, 3372856, 4216070, 8432140, 16864280]

約数ペア:

[(1, 16864280), (2, 8432140), (4, 4216070), (5, 3372856), (8, 2108035), (10, 1686428), (20, 843214), (40, 421607)]