2537515520

素因数分解:

$2^9\times 5^1\times {\mathrm{991217}}^1$

素因数の和:991240

約数の個数: 40

約数和(自身を含む): 6084096084

約数和(自身を除く): 3546580564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 991217, 1982434, 3964868, 4956085, 7929736, 9912170, 15859472, 19824340, 31718944, 39648680, 63437888, 79297360, 126875776, 158594720, 253751552, 317189440, 507503104, 634378880, 1268757760, 2537515520]

約数ペア:

[(1, 2537515520), (2, 1268757760), (4, 634378880), (5, 507503104), (8, 317189440), (10, 253751552), (16, 158594720), (20, 126875776), (32, 79297360), (40, 63437888), (64, 39648680), (80, 31718944), (128, 19824340), (160, 15859472), (256, 9912170), (320, 7929736), (512, 4956085), (640, 3964868), (1280, 1982434), (2560, 991217)]