28799480

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2063}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 65016000

約数和(自身を除く): 36216520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2063, 2792, 3490, 4126, 6980, 8252, 10315, 13960, 16504, 20630, 41260, 82520, 719987, 1439974, 2879948, 3599935, 5759896, 7199870, 14399740, 28799480]

約数ペア:

[(1, 28799480), (2, 14399740), (4, 7199870), (5, 5759896), (8, 3599935), (10, 2879948), (20, 1439974), (40, 719987), (349, 82520), (698, 41260), (1396, 20630), (1745, 16504), (2063, 13960), (2792, 10315), (3490, 8252), (4126, 6980)]