201992680

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{11503}}^1$

素因数の和:11953

約数の個数: 32

約数和(自身を含む): 455558400

約数和(自身を除く): 253565720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 11503, 17560, 23006, 46012, 57515, 92024, 115030, 230060, 460120, 5049817, 10099634, 20199268, 25249085, 40398536, 50498170, 100996340, 201992680]

約数ペア:

[(1, 201992680), (2, 100996340), (4, 50498170), (5, 40398536), (8, 25249085), (10, 20199268), (20, 10099634), (40, 5049817), (439, 460120), (878, 230060), (1756, 115030), (2195, 92024), (3512, 57515), (4390, 46012), (8780, 23006), (11503, 17560)]