79954520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 186624000

約数和(自身を除く): 106669480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 235, 284, 355, 376, 470, 568, 599, 710, 940, 1198, 1420, 1880, 2396, 2840, 2995, 3337, 4792, 5990, 6674, 11980, 13348, 16685, 23960, 26696, 28153, 33370, 42529, 56306, 66740, 85058, 112612, 133480, 140765, 170116, 212645, 225224, 281530, 340232, 425290, 563060, 850580, 1126120, 1701160, 1998863, 3997726, 7995452, 9994315, 15990904, 19988630, 39977260, 79954520]

約数ペア:

[(1, 79954520), (2, 39977260), (4, 19988630), (5, 15990904), (8, 9994315), (10, 7995452), (20, 3997726), (40, 1998863), (47, 1701160), (71, 1126120), (94, 850580), (142, 563060), (188, 425290), (235, 340232), (284, 281530), (355, 225224), (376, 212645), (470, 170116), (568, 140765), (599, 133480), (710, 112612), (940, 85058), (1198, 66740), (1420, 56306), (1880, 42529), (2396, 33370), (2840, 28153), (2995, 26696), (3337, 23960), (4792, 16685), (5990, 13348), (6674, 11980)]