91985440

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2237}}^1$

素因数の和:2509

約数の個数: 48

約数和(自身を含む): 218258712

約数和(自身を除く): 126273272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2237, 2570, 4112, 4474, 5140, 8224, 8948, 10280, 11185, 17896, 20560, 22370, 35792, 41120, 44740, 71584, 89480, 178960, 357920, 574909, 1149818, 2299636, 2874545, 4599272, 5749090, 9198544, 11498180, 18397088, 22996360, 45992720, 91985440]

約数ペア:

[(1, 91985440), (2, 45992720), (4, 22996360), (5, 18397088), (8, 11498180), (10, 9198544), (16, 5749090), (20, 4599272), (32, 2874545), (40, 2299636), (80, 1149818), (160, 574909), (257, 357920), (514, 178960), (1028, 89480), (1285, 71584), (2056, 44740), (2237, 41120), (2570, 35792), (4112, 22370), (4474, 20560), (5140, 17896), (8224, 11185), (8948, 10280)]