2238640

素因数分解:

$2^4\times 5^1\times {\mathrm{27983}}^1$

素因数の和:27996

約数の個数: 20

約数和(自身を含む): 5205024

約数和(自身を除く): 2966384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27983, 55966, 111932, 139915, 223864, 279830, 447728, 559660, 1119320, 2238640]

約数ペア:

[(1, 2238640), (2, 1119320), (4, 559660), (5, 447728), (8, 279830), (10, 223864), (16, 139915), (20, 111932), (40, 55966), (80, 27983)]