40447720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9277}}^1$

素因数の和:9397

約数の個数: 32

約数和(自身を含む): 91852200

約数和(自身を除く): 51404480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9277, 18554, 37108, 46385, 74216, 92770, 185540, 371080, 1011193, 2022386, 4044772, 5055965, 8089544, 10111930, 20223860, 40447720]

約数ペア:

[(1, 40447720), (2, 20223860), (4, 10111930), (5, 8089544), (8, 5055965), (10, 4044772), (20, 2022386), (40, 1011193), (109, 371080), (218, 185540), (436, 92770), (545, 74216), (872, 46385), (1090, 37108), (2180, 18554), (4360, 9277)]