55381640

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2843}}^1$

素因数の和:3341

約数の個数: 32

約数和(自身を含む): 124908480

約数和(自身を除く): 69526840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 2843, 3896, 4870, 5686, 9740, 11372, 14215, 19480, 22744, 28430, 56860, 113720, 1384541, 2769082, 5538164, 6922705, 11076328, 13845410, 27690820, 55381640]

約数ペア:

[(1, 55381640), (2, 27690820), (4, 13845410), (5, 11076328), (8, 6922705), (10, 5538164), (20, 2769082), (40, 1384541), (487, 113720), (974, 56860), (1948, 28430), (2435, 22744), (2843, 19480), (3896, 14215), (4870, 11372), (5686, 9740)]