81106000

素因数分解:

$2^4\times 5^3\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:509

約数の個数: 80

約数和(自身を含む): 198469440

約数和(自身を除く): 117363440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 125, 200, 214, 250, 379, 400, 428, 500, 535, 758, 856, 1000, 1070, 1516, 1712, 1895, 2000, 2140, 2675, 3032, 3790, 4280, 5350, 6064, 7580, 8560, 9475, 10700, 13375, 15160, 18950, 21400, 26750, 30320, 37900, 40553, 42800, 47375, 53500, 75800, 81106, 94750, 107000, 151600, 162212, 189500, 202765, 214000, 324424, 379000, 405530, 648848, 758000, 811060, 1013825, 1622120, 2027650, 3244240, 4055300, 5069125, 8110600, 10138250, 16221200, 20276500, 40553000, 81106000]

約数ペア:

[(1, 81106000), (2, 40553000), (4, 20276500), (5, 16221200), (8, 10138250), (10, 8110600), (16, 5069125), (20, 4055300), (25, 3244240), (40, 2027650), (50, 1622120), (80, 1013825), (100, 811060), (107, 758000), (125, 648848), (200, 405530), (214, 379000), (250, 324424), (379, 214000), (400, 202765), (428, 189500), (500, 162212), (535, 151600), (758, 107000), (856, 94750), (1000, 81106), (1070, 75800), (1516, 53500), (1712, 47375), (1895, 42800), (2000, 40553), (2140, 37900), (2675, 30320), (3032, 26750), (3790, 21400), (4280, 18950), (5350, 15160), (6064, 13375), (7580, 10700), (8560, 9475)]