139313920

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{857}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 336720384

約数和(自身を除く): 197406464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 857, 1016, 1270, 1280, 1714, 2032, 2540, 3428, 4064, 4285, 5080, 6856, 8128, 8570, 10160, 13712, 16256, 17140, 20320, 27424, 32512, 34280, 40640, 54848, 68560, 81280, 108839, 109696, 137120, 162560, 217678, 219392, 274240, 435356, 544195, 548480, 870712, 1088390, 1096960, 1741424, 2176780, 3482848, 4353560, 6965696, 8707120, 13931392, 17414240, 27862784, 34828480, 69656960, 139313920]

約数ペア:

[(1, 139313920), (2, 69656960), (4, 34828480), (5, 27862784), (8, 17414240), (10, 13931392), (16, 8707120), (20, 6965696), (32, 4353560), (40, 3482848), (64, 2176780), (80, 1741424), (127, 1096960), (128, 1088390), (160, 870712), (254, 548480), (256, 544195), (320, 435356), (508, 274240), (635, 219392), (640, 217678), (857, 162560), (1016, 137120), (1270, 109696), (1280, 108839), (1714, 81280), (2032, 68560), (2540, 54848), (3428, 40640), (4064, 34280), (4285, 32512), (5080, 27424), (6856, 20320), (8128, 17140), (8570, 16256), (10160, 13712)]