8448640

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 20734560

約数和(自身を除く): 12285920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 307, 320, 344, 430, 614, 640, 688, 860, 1228, 1376, 1535, 1720, 2456, 2752, 3070, 3440, 4912, 5504, 6140, 6880, 9824, 12280, 13201, 13760, 19648, 24560, 26402, 27520, 39296, 49120, 52804, 66005, 98240, 105608, 132010, 196480, 211216, 264020, 422432, 528040, 844864, 1056080, 1689728, 2112160, 4224320, 8448640]

約数ペア:

[(1, 8448640), (2, 4224320), (4, 2112160), (5, 1689728), (8, 1056080), (10, 844864), (16, 528040), (20, 422432), (32, 264020), (40, 211216), (43, 196480), (64, 132010), (80, 105608), (86, 98240), (128, 66005), (160, 52804), (172, 49120), (215, 39296), (307, 27520), (320, 26402), (344, 24560), (430, 19648), (614, 13760), (640, 13201), (688, 12280), (860, 9824), (1228, 6880), (1376, 6140), (1535, 5504), (1720, 4912), (2456, 3440), (2752, 3070)]