1394664640

素因数分解:

$2^6\times 5^1\times {\mathrm{4358327}}^1$

素因数の和:4358344

約数の個数: 28

約数和(自身を含む): 3321045936

約数和(自身を除く): 1926381296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4358327, 8716654, 17433308, 21791635, 34866616, 43583270, 69733232, 87166540, 139466464, 174333080, 278932928, 348666160, 697332320, 1394664640]

約数ペア:

[(1, 1394664640), (2, 697332320), (4, 348666160), (5, 278932928), (8, 174333080), (10, 139466464), (16, 87166540), (20, 69733232), (32, 43583270), (40, 34866616), (64, 21791635), (80, 17433308), (160, 8716654), (320, 4358327)]