12439420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{88853}}^1$

素因数の和:88869

約数の個数: 24

約数和(自身を含む): 29854944

約数和(自身を除く): 17415524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 88853, 177706, 355412, 444265, 621971, 888530, 1243942, 1777060, 2487884, 3109855, 6219710, 12439420]

約数ペア:

[(1, 12439420), (2, 6219710), (4, 3109855), (5, 2487884), (7, 1777060), (10, 1243942), (14, 888530), (20, 621971), (28, 444265), (35, 355412), (70, 177706), (140, 88853)]