210008440

素因数分解:

$2^3\times 5^1\times {\mathrm{5250211}}^1$

素因数の和:5250222

約数の個数: 16

約数和(自身を含む): 472519080

約数和(自身を除く): 262510640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5250211, 10500422, 21000844, 26251055, 42001688, 52502110, 105004220, 210008440]

約数ペア:

[(1, 210008440), (2, 105004220), (4, 52502110), (5, 42001688), (8, 26251055), (10, 21000844), (20, 10500422), (40, 5250211)]