208044280

素因数分解:

$2^3\times 5^1\times {\mathrm{5201107}}^1$

素因数の和:5201118

約数の個数: 16

約数和(自身を含む): 468099720

約数和(自身を除く): 260055440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5201107, 10402214, 20804428, 26005535, 41608856, 52011070, 104022140, 208044280]

約数ペア:

[(1, 208044280), (2, 104022140), (4, 52011070), (5, 41608856), (8, 26005535), (10, 20804428), (20, 10402214), (40, 5201107)]