22180180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2459}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 29893100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 2459, 4510, 4918, 9020, 9836, 12295, 24590, 27049, 49180, 54098, 100819, 108196, 135245, 201638, 270490, 403276, 504095, 540980, 1008190, 1109009, 2016380, 2218018, 4436036, 5545045, 11090090, 22180180]

約数ペア:

[(1, 22180180), (2, 11090090), (4, 5545045), (5, 4436036), (10, 2218018), (11, 2016380), (20, 1109009), (22, 1008190), (41, 540980), (44, 504095), (55, 403276), (82, 270490), (110, 201638), (164, 135245), (205, 108196), (220, 100819), (410, 54098), (451, 49180), (820, 27049), (902, 24590), (1804, 12295), (2255, 9836), (2459, 9020), (4510, 4918)]