51035120

素因数分解:

$2^4\times 5^1\times {\mathrm{637939}}^1$

素因数の和:637952

約数の個数: 20

約数和(自身を含む): 118656840

約数和(自身を除く): 67621720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 637939, 1275878, 2551756, 3189695, 5103512, 6379390, 10207024, 12758780, 25517560, 51035120]

約数ペア:

[(1, 51035120), (2, 25517560), (4, 12758780), (5, 10207024), (8, 6379390), (10, 5103512), (16, 3189695), (20, 2551756), (40, 1275878), (80, 637939)]