199613080

素因数分解:

$2^3\times 5^1\times {\mathrm{4990327}}^1$

素因数の和:4990338

約数の個数: 16

約数和(自身を含む): 449129520

約数和(自身を除く): 249516440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4990327, 9980654, 19961308, 24951635, 39922616, 49903270, 99806540, 199613080]

約数ペア:

[(1, 199613080), (2, 99806540), (4, 49903270), (5, 39922616), (8, 24951635), (10, 19961308), (20, 9980654), (40, 4990327)]