9970640

素因数分解:

$2^4\times 5^1\times {\mathrm{124633}}^1$

素因数の和:124646

約数の個数: 20

約数和(自身を含む): 23181924

約数和(自身を除く): 13211284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124633, 249266, 498532, 623165, 997064, 1246330, 1994128, 2492660, 4985320, 9970640]

約数ペア:

[(1, 9970640), (2, 4985320), (4, 2492660), (5, 1994128), (8, 1246330), (10, 997064), (16, 623165), (20, 498532), (40, 249266), (80, 124633)]