61080280

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7237}}^1$

素因数の和:7459

約数の個数: 32

約数和(自身を含む): 138101040

約数和(自身を除く): 77020760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 7237, 8440, 14474, 28948, 36185, 57896, 72370, 144740, 289480, 1527007, 3054014, 6108028, 7635035, 12216056, 15270070, 30540140, 61080280]

約数ペア:

[(1, 61080280), (2, 30540140), (4, 15270070), (5, 12216056), (8, 7635035), (10, 6108028), (20, 3054014), (40, 1527007), (211, 289480), (422, 144740), (844, 72370), (1055, 57896), (1688, 36185), (2110, 28948), (4220, 14474), (7237, 8440)]