26397580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 61147296

約数和(自身を除く): 34749716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1237, 1940, 2134, 2474, 4268, 4948, 5335, 6185, 10670, 12370, 13607, 21340, 24740, 27214, 54428, 68035, 119989, 136070, 239978, 272140, 479956, 599945, 1199890, 1319879, 2399780, 2639758, 5279516, 6599395, 13198790, 26397580]

約数ペア:

[(1, 26397580), (2, 13198790), (4, 6599395), (5, 5279516), (10, 2639758), (11, 2399780), (20, 1319879), (22, 1199890), (44, 599945), (55, 479956), (97, 272140), (110, 239978), (194, 136070), (220, 119989), (388, 68035), (485, 54428), (970, 27214), (1067, 24740), (1237, 21340), (1940, 13607), (2134, 12370), (2474, 10670), (4268, 6185), (4948, 5335)]