80439800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{57457}}^1$

素因数の和:57480

約数の個数: 48

約数和(自身を含む): 213743760

約数和(自身を除く): 133303960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 57457, 114914, 229828, 287285, 402199, 459656, 574570, 804398, 1149140, 1436425, 1608796, 2010995, 2298280, 2872850, 3217592, 4021990, 5745700, 8043980, 10054975, 11491400, 16087960, 20109950, 40219900, 80439800]

約数ペア:

[(1, 80439800), (2, 40219900), (4, 20109950), (5, 16087960), (7, 11491400), (8, 10054975), (10, 8043980), (14, 5745700), (20, 4021990), (25, 3217592), (28, 2872850), (35, 2298280), (40, 2010995), (50, 1608796), (56, 1436425), (70, 1149140), (100, 804398), (140, 574570), (175, 459656), (200, 402199), (280, 287285), (350, 229828), (700, 114914), (1400, 57457)]