25615216

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 60

約数和(自身を含む): 55512072

約数和(自身を除く): 29896856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 121, 131, 176, 202, 242, 262, 404, 484, 524, 808, 968, 1048, 1111, 1441, 1616, 1936, 2096, 2222, 2882, 4444, 5764, 8888, 11528, 12221, 13231, 15851, 17776, 23056, 24442, 26462, 31702, 48884, 52924, 63404, 97768, 105848, 126808, 145541, 195536, 211696, 253616, 291082, 582164, 1164328, 1600951, 2328656, 3201902, 6403804, 12807608, 25615216]

約数ペア:

[(1, 25615216), (2, 12807608), (4, 6403804), (8, 3201902), (11, 2328656), (16, 1600951), (22, 1164328), (44, 582164), (88, 291082), (101, 253616), (121, 211696), (131, 195536), (176, 145541), (202, 126808), (242, 105848), (262, 97768), (404, 63404), (484, 52924), (524, 48884), (808, 31702), (968, 26462), (1048, 24442), (1111, 23056), (1441, 17776), (1616, 15851), (1936, 13231), (2096, 12221), (2222, 11528), (2882, 8888), (4444, 5764)]