66867520

素因数分解:

$2^6\times 5^1\times {\mathrm{208961}}^1$

素因数の和:208978

約数の個数: 28

約数和(自身を含む): 159229044

約数和(自身を除く): 92361524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208961, 417922, 835844, 1044805, 1671688, 2089610, 3343376, 4179220, 6686752, 8358440, 13373504, 16716880, 33433760, 66867520]

約数ペア:

[(1, 66867520), (2, 33433760), (4, 16716880), (5, 13373504), (8, 8358440), (10, 6686752), (16, 4179220), (20, 3343376), (32, 2089610), (40, 1671688), (64, 1044805), (80, 835844), (160, 417922), (320, 208961)]