80390480

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12107}}^1$

素因数の和:12203

約数の個数: 40

約数和(自身を含む): 189175392

約数和(自身を除く): 108784912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 12107, 24214, 48428, 60535, 96856, 121070, 193712, 242140, 484280, 968560, 1004881, 2009762, 4019524, 5024405, 8039048, 10048810, 16078096, 20097620, 40195240, 80390480]

約数ペア:

[(1, 80390480), (2, 40195240), (4, 20097620), (5, 16078096), (8, 10048810), (10, 8039048), (16, 5024405), (20, 4019524), (40, 2009762), (80, 1004881), (83, 968560), (166, 484280), (332, 242140), (415, 193712), (664, 121070), (830, 96856), (1328, 60535), (1660, 48428), (3320, 24214), (6640, 12107)]