23438440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13627}}^1$

素因数の和:13681

約数の個数: 32

約数和(自身を含む): 53966880

約数和(自身を除く): 30528440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 13627, 27254, 54508, 68135, 109016, 136270, 272540, 545080, 585961, 1171922, 2343844, 2929805, 4687688, 5859610, 11719220, 23438440]

約数ペア:

[(1, 23438440), (2, 11719220), (4, 5859610), (5, 4687688), (8, 2929805), (10, 2343844), (20, 1171922), (40, 585961), (43, 545080), (86, 272540), (172, 136270), (215, 109016), (344, 68135), (430, 54508), (860, 27254), (1720, 13627)]