3981560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9049}}^1$

素因数の和:9071

約数の個数: 32

約数和(自身を含む): 9774000

約数和(自身を除く): 5792440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 9049, 18098, 36196, 45245, 72392, 90490, 99539, 180980, 199078, 361960, 398156, 497695, 796312, 995390, 1990780, 3981560]

約数ペア:

[(1, 3981560), (2, 1990780), (4, 995390), (5, 796312), (8, 497695), (10, 398156), (11, 361960), (20, 199078), (22, 180980), (40, 99539), (44, 90490), (55, 72392), (88, 45245), (110, 36196), (220, 18098), (440, 9049)]