2020136960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{197279}}^1$

素因数の和:197306

約数の個数: 48

約数和(自身を含む): 4847169600

約数和(自身を除く): 2827032640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 197279, 394558, 789116, 986395, 1578232, 1972790, 3156464, 3945580, 6312928, 7891160, 12625856, 15782320, 25251712, 31564640, 50503424, 63129280, 101006848, 126258560, 202013696, 252517120, 404027392, 505034240, 1010068480, 2020136960]

約数ペア:

[(1, 2020136960), (2, 1010068480), (4, 505034240), (5, 404027392), (8, 252517120), (10, 202013696), (16, 126258560), (20, 101006848), (32, 63129280), (40, 50503424), (64, 31564640), (80, 25251712), (128, 15782320), (160, 12625856), (256, 7891160), (320, 6312928), (512, 3945580), (640, 3156464), (1024, 1972790), (1280, 1578232), (2048, 986395), (2560, 789116), (5120, 394558), (10240, 197279)]