71841440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40819}}^1$

素因数の和:40845

約数の個数: 48

約数和(自身を含む): 185159520

約数和(自身を除く): 113318080

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, 40819, 81638, 163276, 204095, 326552, 408190, 449009, 653104, 816380, 898018, 1306208, 1632760, 1796036, 2245045, 3265520, 3592072, 4490090, 6531040, 7184144, 8980180, 14368288, 17960360, 35920720, 71841440]

約数ペア:

[(1, 71841440), (2, 35920720), (4, 17960360), (5, 14368288), (8, 8980180), (10, 7184144), (11, 6531040), (16, 4490090), (20, 3592072), (22, 3265520), (32, 2245045), (40, 1796036), (44, 1632760), (55, 1306208), (80, 898018), (88, 816380), (110, 653104), (160, 449009), (176, 408190), (220, 326552), (352, 204095), (440, 163276), (880, 81638), (1760, 40819)]