165780820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{5393}}^1$

素因数の和:5484

約数の個数: 48

約数和(自身を含む): 367007760

約数和(自身を除く): 201226940

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 1060, 1537, 3074, 5393, 6148, 7685, 10786, 15370, 21572, 26965, 30740, 53930, 107860, 156397, 285829, 312794, 571658, 625588, 781985, 1143316, 1429145, 1563970, 2858290, 3127940, 5716580, 8289041, 16578082, 33156164, 41445205, 82890410, 165780820]

約数ペア:

[(1, 165780820), (2, 82890410), (4, 41445205), (5, 33156164), (10, 16578082), (20, 8289041), (29, 5716580), (53, 3127940), (58, 2858290), (106, 1563970), (116, 1429145), (145, 1143316), (212, 781985), (265, 625588), (290, 571658), (530, 312794), (580, 285829), (1060, 156397), (1537, 107860), (3074, 53930), (5393, 30740), (6148, 26965), (7685, 21572), (10786, 15370)]