7995920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:927

約数の個数: 40

約数和(自身を含む): 18760704

約数和(自身を除く): 10764784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 787, 1016, 1270, 1574, 2032, 2540, 3148, 3935, 5080, 6296, 7870, 10160, 12592, 15740, 31480, 62960, 99949, 199898, 399796, 499745, 799592, 999490, 1599184, 1998980, 3997960, 7995920]

約数ペア:

[(1, 7995920), (2, 3997960), (4, 1998980), (5, 1599184), (8, 999490), (10, 799592), (16, 499745), (20, 399796), (40, 199898), (80, 99949), (127, 62960), (254, 31480), (508, 15740), (635, 12592), (787, 10160), (1016, 7870), (1270, 6296), (1574, 5080), (2032, 3935), (2540, 3148)]