81605550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41849}}^1$

素因数の和:41877

約数の個数: 48

約数和(自身を含む): 217954800

約数和(自身を除く): 136349250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 41849, 83698, 125547, 209245, 251094, 418490, 544037, 627735, 1046225, 1088074, 1255470, 1632111, 2092450, 2720185, 3138675, 3264222, 5440370, 6277350, 8160555, 13600925, 16321110, 27201850, 40802775, 81605550]

約数ペア:

[(1, 81605550), (2, 40802775), (3, 27201850), (5, 16321110), (6, 13600925), (10, 8160555), (13, 6277350), (15, 5440370), (25, 3264222), (26, 3138675), (30, 2720185), (39, 2092450), (50, 1632111), (65, 1255470), (75, 1088074), (78, 1046225), (130, 627735), (150, 544037), (195, 418490), (325, 251094), (390, 209245), (650, 125547), (975, 83698), (1950, 41849)]