2019926800

素因数分解:

$2^4\times 5^2\times {\mathrm{439}}^1\times {\mathrm{11503}}^1$

素因数の和:11960

約数の個数: 60

約数和(自身を含む): 4864351360

約数和(自身を除く): 2844424560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 10975, 11503, 17560, 21950, 23006, 35120, 43900, 46012, 57515, 87800, 92024, 115030, 175600, 184048, 230060, 287575, 460120, 575150, 920240, 1150300, 2300600, 4601200, 5049817, 10099634, 20199268, 25249085, 40398536, 50498170, 80797072, 100996340, 126245425, 201992680, 252490850, 403985360, 504981700, 1009963400, 2019926800]

約数ペア:

[(1, 2019926800), (2, 1009963400), (4, 504981700), (5, 403985360), (8, 252490850), (10, 201992680), (16, 126245425), (20, 100996340), (25, 80797072), (40, 50498170), (50, 40398536), (80, 25249085), (100, 20199268), (200, 10099634), (400, 5049817), (439, 4601200), (878, 2300600), (1756, 1150300), (2195, 920240), (3512, 575150), (4390, 460120), (7024, 287575), (8780, 230060), (10975, 184048), (11503, 175600), (17560, 115030), (21950, 92024), (23006, 87800), (35120, 57515), (43900, 46012)]