9940480

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:387

約数の個数: 80

約数和(自身を含む): 26074224

約数和(自身を除く): 16133744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 353, 440, 512, 640, 704, 706, 880, 1280, 1408, 1412, 1760, 1765, 2560, 2816, 2824, 3520, 3530, 3883, 5632, 5648, 7040, 7060, 7766, 11296, 14080, 14120, 15532, 19415, 22592, 28160, 28240, 31064, 38830, 45184, 56480, 62128, 77660, 90368, 112960, 124256, 155320, 180736, 225920, 248512, 310640, 451840, 497024, 621280, 903680, 994048, 1242560, 1988096, 2485120, 4970240, 9940480]

約数ペア:

[(1, 9940480), (2, 4970240), (4, 2485120), (5, 1988096), (8, 1242560), (10, 994048), (11, 903680), (16, 621280), (20, 497024), (22, 451840), (32, 310640), (40, 248512), (44, 225920), (55, 180736), (64, 155320), (80, 124256), (88, 112960), (110, 90368), (128, 77660), (160, 62128), (176, 56480), (220, 45184), (256, 38830), (320, 31064), (352, 28240), (353, 28160), (440, 22592), (512, 19415), (640, 15532), (704, 14120), (706, 14080), (880, 11296), (1280, 7766), (1408, 7060), (1412, 7040), (1760, 5648), (1765, 5632), (2560, 3883), (2816, 3530), (2824, 3520)]