87946240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 88

約数和(自身を含む): 214443720

約数和(自身を除く): 126497480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 193, 256, 320, 356, 386, 445, 512, 640, 712, 772, 890, 965, 1024, 1280, 1424, 1544, 1780, 1930, 2560, 2848, 3088, 3560, 3860, 5120, 5696, 6176, 7120, 7720, 11392, 12352, 14240, 15440, 17177, 22784, 24704, 28480, 30880, 34354, 45568, 49408, 56960, 61760, 68708, 85885, 91136, 98816, 113920, 123520, 137416, 171770, 197632, 227840, 247040, 274832, 343540, 455680, 494080, 549664, 687080, 988160, 1099328, 1374160, 2198656, 2748320, 4397312, 5496640, 8794624, 10993280, 17589248, 21986560, 43973120, 87946240]

約数ペア:

[(1, 87946240), (2, 43973120), (4, 21986560), (5, 17589248), (8, 10993280), (10, 8794624), (16, 5496640), (20, 4397312), (32, 2748320), (40, 2198656), (64, 1374160), (80, 1099328), (89, 988160), (128, 687080), (160, 549664), (178, 494080), (193, 455680), (256, 343540), (320, 274832), (356, 247040), (386, 227840), (445, 197632), (512, 171770), (640, 137416), (712, 123520), (772, 113920), (890, 98816), (965, 91136), (1024, 85885), (1280, 68708), (1424, 61760), (1544, 56960), (1780, 49408), (1930, 45568), (2560, 34354), (2848, 30880), (3088, 28480), (3560, 24704), (3860, 22784), (5120, 17177), (5696, 15440), (6176, 14240), (7120, 12352), (7720, 11392)]