135408760

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8527}}^1$

素因数の和:8935

約数の個数: 32

約数和(自身を含む): 305472960

約数和(自身を除く): 170064200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 8527, 15880, 17054, 34108, 42635, 68216, 85270, 170540, 341080, 3385219, 6770438, 13540876, 16926095, 27081752, 33852190, 67704380, 135408760]

約数ペア:

[(1, 135408760), (2, 67704380), (4, 33852190), (5, 27081752), (8, 16926095), (10, 13540876), (20, 6770438), (40, 3385219), (397, 341080), (794, 170540), (1588, 85270), (1985, 68216), (3176, 42635), (3970, 34108), (7940, 17054), (8527, 15880)]