28164950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 48

約数和(自身を含む): 58590000

約数和(自身を除く): 30425050

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 451, 550, 902, 1025, 1249, 2050, 2255, 2498, 4510, 6245, 11275, 12490, 13739, 22550, 27478, 31225, 51209, 62450, 68695, 102418, 137390, 256045, 343475, 512090, 563299, 686950, 1126598, 1280225, 2560450, 2816495, 5632990, 14082475, 28164950]

約数ペア:

[(1, 28164950), (2, 14082475), (5, 5632990), (10, 2816495), (11, 2560450), (22, 1280225), (25, 1126598), (41, 686950), (50, 563299), (55, 512090), (82, 343475), (110, 256045), (205, 137390), (275, 102418), (410, 68695), (451, 62450), (550, 51209), (902, 31225), (1025, 27478), (1249, 22550), (2050, 13739), (2255, 12490), (2498, 11275), (4510, 6245)]