15697756120

素因数分解:

$2^3\times 5^1\times {\mathrm{3121}}^1\times {\mathrm{125743}}^1$

素因数の和:128875

約数の個数: 32

約数和(自身を含む): 35331549120

約数和(自身を除く): 19633793000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3121, 6242, 12484, 15605, 24968, 31210, 62420, 124840, 125743, 251486, 502972, 628715, 1005944, 1257430, 2514860, 5029720, 392443903, 784887806, 1569775612, 1962219515, 3139551224, 3924439030, 7848878060, 15697756120]

約数ペア:

[(1, 15697756120), (2, 7848878060), (4, 3924439030), (5, 3139551224), (8, 1962219515), (10, 1569775612), (20, 784887806), (40, 392443903), (3121, 5029720), (6242, 2514860), (12484, 1257430), (15605, 1005944), (24968, 628715), (31210, 502972), (62420, 251486), (124840, 125743)]