8920960

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 21811680

約数和(自身を除く): 12890720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 263, 265, 320, 424, 526, 530, 640, 848, 1052, 1060, 1315, 1696, 2104, 2120, 2630, 3392, 4208, 4240, 5260, 6784, 8416, 8480, 10520, 13939, 16832, 16960, 21040, 27878, 33664, 33920, 42080, 55756, 69695, 84160, 111512, 139390, 168320, 223024, 278780, 446048, 557560, 892096, 1115120, 1784192, 2230240, 4460480, 8920960]

約数ペア:

[(1, 8920960), (2, 4460480), (4, 2230240), (5, 1784192), (8, 1115120), (10, 892096), (16, 557560), (20, 446048), (32, 278780), (40, 223024), (53, 168320), (64, 139390), (80, 111512), (106, 84160), (128, 69695), (160, 55756), (212, 42080), (263, 33920), (265, 33664), (320, 27878), (424, 21040), (526, 16960), (530, 16832), (640, 13939), (848, 10520), (1052, 8480), (1060, 8416), (1315, 6784), (1696, 5260), (2104, 4240), (2120, 4208), (2630, 3392)]