388590640

素因数分解:

$2^4\times 5^1\times {\mathrm{883}}^1\times {\mathrm{5501}}^1$

素因数の和:6397

約数の個数: 40

約数和(自身を含む): 904660848

約数和(自身を除く): 516070208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 883, 1766, 3532, 4415, 5501, 7064, 8830, 11002, 14128, 17660, 22004, 27505, 35320, 44008, 55010, 70640, 88016, 110020, 220040, 440080, 4857383, 9714766, 19429532, 24286915, 38859064, 48573830, 77718128, 97147660, 194295320, 388590640]

約数ペア:

[(1, 388590640), (2, 194295320), (4, 97147660), (5, 77718128), (8, 48573830), (10, 38859064), (16, 24286915), (20, 19429532), (40, 9714766), (80, 4857383), (883, 440080), (1766, 220040), (3532, 110020), (4415, 88016), (5501, 70640), (7064, 55010), (8830, 44008), (11002, 35320), (14128, 27505), (17660, 22004)]