8001440

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1221

約数の個数: 48

約数和(自身を含む): 19359648

約数和(自身を除く): 11358208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1163, 1376, 1720, 2326, 3440, 4652, 5815, 6880, 9304, 11630, 18608, 23260, 37216, 46520, 50009, 93040, 100018, 186080, 200036, 250045, 400072, 500090, 800144, 1000180, 1600288, 2000360, 4000720, 8001440]

約数ペア:

[(1, 8001440), (2, 4000720), (4, 2000360), (5, 1600288), (8, 1000180), (10, 800144), (16, 500090), (20, 400072), (32, 250045), (40, 200036), (43, 186080), (80, 100018), (86, 93040), (160, 50009), (172, 46520), (215, 37216), (344, 23260), (430, 18608), (688, 11630), (860, 9304), (1163, 6880), (1376, 5815), (1720, 4652), (2326, 3440)]