145528640

素因数分解:

$2^6\times 5^1\times {\mathrm{454777}}^1$

素因数の和:454794

約数の個数: 28

約数和(自身を含む): 346540836

約数和(自身を除く): 201012196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 454777, 909554, 1819108, 2273885, 3638216, 4547770, 7276432, 9095540, 14552864, 18191080, 29105728, 36382160, 72764320, 145528640]

約数ペア:

[(1, 145528640), (2, 72764320), (4, 36382160), (5, 29105728), (8, 18191080), (10, 14552864), (16, 9095540), (20, 7276432), (32, 4547770), (40, 3638216), (64, 2273885), (80, 1819108), (160, 909554), (320, 454777)]