42355000

素因数分解:

$2^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 102061080

約数和(自身を除く): 59706080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 197, 200, 215, 250, 344, 394, 430, 500, 625, 788, 860, 985, 1000, 1075, 1250, 1576, 1720, 1970, 2150, 2500, 3940, 4300, 4925, 5000, 5375, 7880, 8471, 8600, 9850, 10750, 16942, 19700, 21500, 24625, 26875, 33884, 39400, 42355, 43000, 49250, 53750, 67768, 84710, 98500, 107500, 123125, 169420, 197000, 211775, 215000, 246250, 338840, 423550, 492500, 847100, 985000, 1058875, 1694200, 2117750, 4235500, 5294375, 8471000, 10588750, 21177500, 42355000]

約数ペア:

[(1, 42355000), (2, 21177500), (4, 10588750), (5, 8471000), (8, 5294375), (10, 4235500), (20, 2117750), (25, 1694200), (40, 1058875), (43, 985000), (50, 847100), (86, 492500), (100, 423550), (125, 338840), (172, 246250), (197, 215000), (200, 211775), (215, 197000), (250, 169420), (344, 123125), (394, 107500), (430, 98500), (500, 84710), (625, 67768), (788, 53750), (860, 49250), (985, 43000), (1000, 42355), (1075, 39400), (1250, 33884), (1576, 26875), (1720, 24625), (1970, 21500), (2150, 19700), (2500, 16942), (3940, 10750), (4300, 9850), (4925, 8600), (5000, 8471), (5375, 7880)]