28893080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10781}}^1$

素因数の和:10859

約数の個数: 32

約数和(自身を含む): 65985840

約数和(自身を除く): 37092760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 10781, 21562, 43124, 53905, 86248, 107810, 215620, 431240, 722327, 1444654, 2889308, 3611635, 5778616, 7223270, 14446540, 28893080]

約数ペア:

[(1, 28893080), (2, 14446540), (4, 7223270), (5, 5778616), (8, 3611635), (10, 2889308), (20, 1444654), (40, 722327), (67, 431240), (134, 215620), (268, 107810), (335, 86248), (536, 53905), (670, 43124), (1340, 21562), (2680, 10781)]