249968505040

素因数分解:

$2^4\times 5^1\times {\mathrm{3124606313}}^1$

素因数の和:3124606326

約数の個数: 20

約数和(自身を含む): 581176774404

約数和(自身を除く): 331208269364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3124606313, 6249212626, 12498425252, 15623031565, 24996850504, 31246063130, 49993701008, 62492126260, 124984252520, 249968505040]

約数ペア:

[(1, 249968505040), (2, 124984252520), (4, 62492126260), (5, 49993701008), (8, 31246063130), (10, 24996850504), (16, 15623031565), (20, 12498425252), (40, 6249212626), (80, 3124606313)]