25741990

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 47472480

約数和(自身を除く): 21730490

約数列:

[1, 2, 5, 10, 73, 146, 179, 197, 358, 365, 394, 730, 895, 985, 1790, 1970, 13067, 14381, 26134, 28762, 35263, 65335, 70526, 71905, 130670, 143810, 176315, 352630, 2574199, 5148398, 12870995, 25741990]

約数ペア:

[(1, 25741990), (2, 12870995), (5, 5148398), (10, 2574199), (73, 352630), (146, 176315), (179, 143810), (197, 130670), (358, 71905), (365, 70526), (394, 65335), (730, 35263), (895, 28762), (985, 26134), (1790, 14381), (1970, 13067)]