128219200

素因数分解:

$2^6\times 5^2\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:780

約数の個数: 84

約数和(自身を含む): 318487552

約数和(自身を除く): 190268352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 160, 200, 254, 320, 400, 508, 631, 635, 800, 1016, 1262, 1270, 1600, 2032, 2524, 2540, 3155, 3175, 4064, 5048, 5080, 6310, 6350, 8128, 10096, 10160, 12620, 12700, 15775, 20192, 20320, 25240, 25400, 31550, 40384, 40640, 50480, 50800, 63100, 80137, 100960, 101600, 126200, 160274, 201920, 203200, 252400, 320548, 400685, 504800, 641096, 801370, 1009600, 1282192, 1602740, 2003425, 2564384, 3205480, 4006850, 5128768, 6410960, 8013700, 12821920, 16027400, 25643840, 32054800, 64109600, 128219200]

約数ペア:

[(1, 128219200), (2, 64109600), (4, 32054800), (5, 25643840), (8, 16027400), (10, 12821920), (16, 8013700), (20, 6410960), (25, 5128768), (32, 4006850), (40, 3205480), (50, 2564384), (64, 2003425), (80, 1602740), (100, 1282192), (127, 1009600), (160, 801370), (200, 641096), (254, 504800), (320, 400685), (400, 320548), (508, 252400), (631, 203200), (635, 201920), (800, 160274), (1016, 126200), (1262, 101600), (1270, 100960), (1600, 80137), (2032, 63100), (2524, 50800), (2540, 50480), (3155, 40640), (3175, 40384), (4064, 31550), (5048, 25400), (5080, 25240), (6310, 20320), (6350, 20192), (8128, 15775), (10096, 12700), (10160, 12620)]