139639040

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 337505280

約数和(自身を除く): 197866240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 859, 1016, 1270, 1280, 1718, 2032, 2540, 3436, 4064, 4295, 5080, 6872, 8128, 8590, 10160, 13744, 16256, 17180, 20320, 27488, 32512, 34360, 40640, 54976, 68720, 81280, 109093, 109952, 137440, 162560, 218186, 219904, 274880, 436372, 545465, 549760, 872744, 1090930, 1099520, 1745488, 2181860, 3490976, 4363720, 6981952, 8727440, 13963904, 17454880, 27927808, 34909760, 69819520, 139639040]

約数ペア:

[(1, 139639040), (2, 69819520), (4, 34909760), (5, 27927808), (8, 17454880), (10, 13963904), (16, 8727440), (20, 6981952), (32, 4363720), (40, 3490976), (64, 2181860), (80, 1745488), (127, 1099520), (128, 1090930), (160, 872744), (254, 549760), (256, 545465), (320, 436372), (508, 274880), (635, 219904), (640, 218186), (859, 162560), (1016, 137440), (1270, 109952), (1280, 109093), (1718, 81280), (2032, 68720), (2540, 54976), (3436, 40640), (4064, 34360), (4295, 32512), (5080, 27488), (6872, 20320), (8128, 17180), (8590, 16256), (10160, 13744)]