1257080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2857}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 3086640

約数和(自身を除く): 1829560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2857, 5714, 11428, 14285, 22856, 28570, 31427, 57140, 62854, 114280, 125708, 157135, 251416, 314270, 628540, 1257080]

約数ペア:

[(1, 1257080), (2, 628540), (4, 314270), (5, 251416), (8, 157135), (10, 125708), (11, 114280), (20, 62854), (22, 57140), (40, 31427), (44, 28570), (55, 22856), (88, 14285), (110, 11428), (220, 5714), (440, 2857)]