28501850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3373}}^1$

素因数の和:3411

約数の個数: 36

約数和(自身を含む): 57422106

約数和(自身を除く): 28920256

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 3373, 4225, 6746, 8450, 16865, 33730, 43849, 84325, 87698, 168650, 219245, 438490, 570037, 1096225, 1140074, 2192450, 2850185, 5700370, 14250925, 28501850]

約数ペア:

[(1, 28501850), (2, 14250925), (5, 5700370), (10, 2850185), (13, 2192450), (25, 1140074), (26, 1096225), (50, 570037), (65, 438490), (130, 219245), (169, 168650), (325, 87698), (338, 84325), (650, 43849), (845, 33730), (1690, 16865), (3373, 8450), (4225, 6746)]