40978478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{5419}}^1$

素因数の和:5639

約数の個数: 16

約数和(自身を含む): 65040000

約数和(自身を除く): 24061522

約数列:

[1, 2, 19, 38, 199, 398, 3781, 5419, 7562, 10838, 102961, 205922, 1078381, 2156762, 20489239, 40978478]

約数ペア:

[(1, 40978478), (2, 20489239), (19, 2156762), (38, 1078381), (199, 205922), (398, 102961), (3781, 10838), (5419, 7562)]