22536580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 29718140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1151, 1780, 1958, 2302, 3916, 4604, 4895, 5755, 9790, 11510, 12661, 19580, 23020, 25322, 50644, 63305, 102439, 126610, 204878, 253220, 409756, 512195, 1024390, 1126829, 2048780, 2253658, 4507316, 5634145, 11268290, 22536580]

約数ペア:

[(1, 22536580), (2, 11268290), (4, 5634145), (5, 4507316), (10, 2253658), (11, 2048780), (20, 1126829), (22, 1024390), (44, 512195), (55, 409756), (89, 253220), (110, 204878), (178, 126610), (220, 102439), (356, 63305), (445, 50644), (890, 25322), (979, 23020), (1151, 19580), (1780, 12661), (1958, 11510), (2302, 9790), (3916, 5755), (4604, 4895)]