22507540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 29384300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 389, 526, 778, 1052, 1315, 1556, 1945, 2630, 2893, 3890, 4279, 5260, 5786, 7780, 8558, 11572, 14465, 17116, 21395, 28930, 42790, 57860, 85580, 102307, 204614, 409228, 511535, 1023070, 1125377, 2046140, 2250754, 4501508, 5626885, 11253770, 22507540]

約数ペア:

[(1, 22507540), (2, 11253770), (4, 5626885), (5, 4501508), (10, 2250754), (11, 2046140), (20, 1125377), (22, 1023070), (44, 511535), (55, 409228), (110, 204614), (220, 102307), (263, 85580), (389, 57860), (526, 42790), (778, 28930), (1052, 21395), (1315, 17116), (1556, 14465), (1945, 11572), (2630, 8558), (2893, 7780), (3890, 5786), (4279, 5260)]