2170960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2467}}^1$

素因数の和:2491

約数の個数: 40

約数和(自身を含む): 5508576

約数和(自身を除く): 3337616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2467, 4934, 9868, 12335, 19736, 24670, 27137, 39472, 49340, 54274, 98680, 108548, 135685, 197360, 217096, 271370, 434192, 542740, 1085480, 2170960]

約数ペア:

[(1, 2170960), (2, 1085480), (4, 542740), (5, 434192), (8, 271370), (10, 217096), (11, 197360), (16, 135685), (20, 108548), (22, 98680), (40, 54274), (44, 49340), (55, 39472), (80, 27137), (88, 24670), (110, 19736), (176, 12335), (220, 9868), (440, 4934), (880, 2467)]