135313480

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8521}}^1$

素因数の和:8929

約数の個数: 32

約数和(自身を含む): 305258040

約数和(自身を除く): 169944560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 8521, 15880, 17042, 34084, 42605, 68168, 85210, 170420, 340840, 3382837, 6765674, 13531348, 16914185, 27062696, 33828370, 67656740, 135313480]

約数ペア:

[(1, 135313480), (2, 67656740), (4, 33828370), (5, 27062696), (8, 16914185), (10, 13531348), (20, 6765674), (40, 3382837), (397, 340840), (794, 170420), (1588, 85210), (1985, 68168), (3176, 42605), (3970, 34084), (7940, 17042), (8521, 15880)]