28247750

素因数分解:

$2^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 53441856

約数和(自身を除く): 25194106

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 515, 1030, 1097, 2194, 2575, 5150, 5485, 10970, 12875, 25750, 27425, 54850, 112991, 137125, 225982, 274250, 564955, 1129910, 2824775, 5649550, 14123875, 28247750]

約数ペア:

[(1, 28247750), (2, 14123875), (5, 5649550), (10, 2824775), (25, 1129910), (50, 564955), (103, 274250), (125, 225982), (206, 137125), (250, 112991), (515, 54850), (1030, 27425), (1097, 25750), (2194, 12875), (2575, 10970), (5150, 5485)]