81345440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46219}}^1$

素因数の和:46245

約数の個数: 48

約数和(自身を含む): 209653920

約数和(自身を除く): 128308480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 46219, 92438, 184876, 231095, 369752, 462190, 508409, 739504, 924380, 1016818, 1479008, 1848760, 2033636, 2542045, 3697520, 4067272, 5084090, 7395040, 8134544, 10168180, 16269088, 20336360, 40672720, 81345440]

約数ペア:

[(1, 81345440), (2, 40672720), (4, 20336360), (5, 16269088), (8, 10168180), (10, 8134544), (11, 7395040), (16, 5084090), (20, 4067272), (22, 3697520), (32, 2542045), (40, 2033636), (44, 1848760), (55, 1479008), (80, 1016818), (88, 924380), (110, 739504), (160, 508409), (176, 462190), (220, 369752), (352, 231095), (440, 184876), (880, 92438), (1760, 46219)]