40394800

素因数分解:

$2^4\times 5^2\times {\mathrm{100987}}^1$

素因数の和:101005

約数の個数: 30

約数和(自身を含む): 97049468

約数和(自身を除く): 56654668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 100987, 201974, 403948, 504935, 807896, 1009870, 1615792, 2019740, 2524675, 4039480, 5049350, 8078960, 10098700, 20197400, 40394800]

約数ペア:

[(1, 40394800), (2, 20197400), (4, 10098700), (5, 8078960), (8, 5049350), (10, 4039480), (16, 2524675), (20, 2019740), (25, 1615792), (40, 1009870), (50, 807896), (80, 504935), (100, 403948), (200, 201974), (400, 100987)]