208027520

素因数分解:

$2^7\times 5^1\times {\mathrm{325043}}^1$

素因数の和:325062

約数の個数: 32

約数和(自身を含む): 497317320

約数和(自身を除く): 289289800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 325043, 650086, 1300172, 1625215, 2600344, 3250430, 5200688, 6500860, 10401376, 13001720, 20802752, 26003440, 41605504, 52006880, 104013760, 208027520]

約数ペア:

[(1, 208027520), (2, 104013760), (4, 52006880), (5, 41605504), (8, 26003440), (10, 20802752), (16, 13001720), (20, 10401376), (32, 6500860), (40, 5200688), (64, 3250430), (80, 2600344), (128, 1625215), (160, 1300172), (320, 650086), (640, 325043)]