120247640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{21943}}^1$

素因数の和:22091

約数の個数: 32

約数和(自身を含む): 272544480

約数和(自身を除く): 152296840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 21943, 43886, 87772, 109715, 175544, 219430, 438860, 877720, 3006191, 6012382, 12024764, 15030955, 24049528, 30061910, 60123820, 120247640]

約数ペア:

[(1, 120247640), (2, 60123820), (4, 30061910), (5, 24049528), (8, 15030955), (10, 12024764), (20, 6012382), (40, 3006191), (137, 877720), (274, 438860), (548, 219430), (685, 175544), (1096, 109715), (1370, 87772), (2740, 43886), (5480, 21943)]