80498120

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5701}}^1$

素因数の和:6065

約数の個数: 32

約数和(自身を含む): 181665720

約数和(自身を除く): 101167600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 5701, 7060, 11402, 14120, 22804, 28505, 45608, 57010, 114020, 228040, 2012453, 4024906, 8049812, 10062265, 16099624, 20124530, 40249060, 80498120]

約数ペア:

[(1, 80498120), (2, 40249060), (4, 20124530), (5, 16099624), (8, 10062265), (10, 8049812), (20, 4024906), (40, 2012453), (353, 228040), (706, 114020), (1412, 57010), (1765, 45608), (2824, 28505), (3530, 22804), (5701, 14120), (7060, 11402)]