51290960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91591}}^1$

素因数の和:91611

約数の個数: 40

約数和(自身を含む): 136288896

約数和(自身を除く): 84997936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91591, 183182, 366364, 457955, 641137, 732728, 915910, 1282274, 1465456, 1831820, 2564548, 3205685, 3663640, 5129096, 6411370, 7327280, 10258192, 12822740, 25645480, 51290960]

約数ペア:

[(1, 51290960), (2, 25645480), (4, 12822740), (5, 10258192), (7, 7327280), (8, 6411370), (10, 5129096), (14, 3663640), (16, 3205685), (20, 2564548), (28, 1831820), (35, 1465456), (40, 1282274), (56, 915910), (70, 732728), (80, 641137), (112, 457955), (140, 366364), (280, 183182), (560, 91591)]