68955560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90731}}^1$

素因数の和:90761

約数の個数: 32

約数和(自身を含む): 163317600

約数和(自身を除く): 94362040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 90731, 181462, 362924, 453655, 725848, 907310, 1723889, 1814620, 3447778, 3629240, 6895556, 8619445, 13791112, 17238890, 34477780, 68955560]

約数ペア:

[(1, 68955560), (2, 34477780), (4, 17238890), (5, 13791112), (8, 8619445), (10, 6895556), (19, 3629240), (20, 3447778), (38, 1814620), (40, 1723889), (76, 907310), (95, 725848), (152, 453655), (190, 362924), (380, 181462), (760, 90731)]