80991056

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{28279}}^1$

素因数の和:28466

約数の個数: 20

約数和(自身を含む): 157802400

約数和(自身を除く): 76811344

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 28279, 56558, 113116, 226232, 452464, 5061941, 10123882, 20247764, 40495528, 80991056]

約数ペア:

[(1, 80991056), (2, 40495528), (4, 20247764), (8, 10123882), (16, 5061941), (179, 452464), (358, 226232), (716, 113116), (1432, 56558), (2864, 28279)]