20161250960

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{12739}}^1$

素因数の和:13096

約数の個数: 80

約数和(自身を含む): 47696113920

約数和(自身を除く): 27534862960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 271, 292, 365, 542, 584, 730, 1084, 1168, 1355, 1460, 2168, 2710, 2920, 4336, 5420, 5840, 10840, 12739, 19783, 21680, 25478, 39566, 50956, 63695, 79132, 98915, 101912, 127390, 158264, 197830, 203824, 254780, 316528, 395660, 509560, 791320, 929947, 1019120, 1582640, 1859894, 3452269, 3719788, 4649735, 6904538, 7439576, 9299470, 13809076, 14879152, 17261345, 18598940, 27618152, 34522690, 37197880, 55236304, 69045380, 74395760, 138090760, 252015637, 276181520, 504031274, 1008062548, 1260078185, 2016125096, 2520156370, 4032250192, 5040312740, 10080625480, 20161250960]

約数ペア:

[(1, 20161250960), (2, 10080625480), (4, 5040312740), (5, 4032250192), (8, 2520156370), (10, 2016125096), (16, 1260078185), (20, 1008062548), (40, 504031274), (73, 276181520), (80, 252015637), (146, 138090760), (271, 74395760), (292, 69045380), (365, 55236304), (542, 37197880), (584, 34522690), (730, 27618152), (1084, 18598940), (1168, 17261345), (1355, 14879152), (1460, 13809076), (2168, 9299470), (2710, 7439576), (2920, 6904538), (4336, 4649735), (5420, 3719788), (5840, 3452269), (10840, 1859894), (12739, 1582640), (19783, 1019120), (21680, 929947), (25478, 791320), (39566, 509560), (50956, 395660), (63695, 316528), (79132, 254780), (98915, 203824), (101912, 197830), (127390, 158264)]