4485760

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 11040480

約数和(自身を除く): 6554720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 163, 172, 215, 320, 326, 344, 430, 640, 652, 688, 815, 860, 1304, 1376, 1630, 1720, 2608, 2752, 3260, 3440, 5216, 5504, 6520, 6880, 7009, 10432, 13040, 13760, 14018, 20864, 26080, 27520, 28036, 35045, 52160, 56072, 70090, 104320, 112144, 140180, 224288, 280360, 448576, 560720, 897152, 1121440, 2242880, 4485760]

約数ペア:

[(1, 4485760), (2, 2242880), (4, 1121440), (5, 897152), (8, 560720), (10, 448576), (16, 280360), (20, 224288), (32, 140180), (40, 112144), (43, 104320), (64, 70090), (80, 56072), (86, 52160), (128, 35045), (160, 28036), (163, 27520), (172, 26080), (215, 20864), (320, 14018), (326, 13760), (344, 13040), (430, 10432), (640, 7009), (652, 6880), (688, 6520), (815, 5504), (860, 5216), (1304, 3440), (1376, 3260), (1630, 2752), (1720, 2608)]