127081720

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{7237}}^1$

素因数の和:7687

約数の個数: 32

約数和(自身を含む): 286624800

約数和(自身を除く): 159543080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 7237, 8780, 14474, 17560, 28948, 36185, 57896, 72370, 144740, 289480, 3177043, 6354086, 12708172, 15885215, 25416344, 31770430, 63540860, 127081720]

約数ペア:

[(1, 127081720), (2, 63540860), (4, 31770430), (5, 25416344), (8, 15885215), (10, 12708172), (20, 6354086), (40, 3177043), (439, 289480), (878, 144740), (1756, 72370), (2195, 57896), (3512, 36185), (4390, 28948), (7237, 17560), (8780, 14474)]