28624760

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9803}}^1$

素因数の和:9887

約数の個数: 32

約数和(自身を含む): 65294640

約数和(自身を除く): 36669880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 9803, 19606, 39212, 49015, 78424, 98030, 196060, 392120, 715619, 1431238, 2862476, 3578095, 5724952, 7156190, 14312380, 28624760]

約数ペア:

[(1, 28624760), (2, 14312380), (4, 7156190), (5, 5724952), (8, 3578095), (10, 2862476), (20, 1431238), (40, 715619), (73, 392120), (146, 196060), (292, 98030), (365, 78424), (584, 49015), (730, 39212), (1460, 19606), (2920, 9803)]