80088280

素因数分解:

$2^3\times 5^1\times {\mathrm{2002207}}^1$

素因数の和:2002218

約数の個数: 16

約数和(自身を含む): 180198720

約数和(自身を除く): 100110440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2002207, 4004414, 8008828, 10011035, 16017656, 20022070, 40044140, 80088280]

約数ペア:

[(1, 80088280), (2, 40044140), (4, 20022070), (5, 16017656), (8, 10011035), (10, 8008828), (20, 4004414), (40, 2002207)]