63938320

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4057}}^1$

素因数の和:4267

約数の個数: 40

約数和(自身を含む): 149448024

約数和(自身を除く): 85509704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4057, 7880, 8114, 15760, 16228, 20285, 32456, 40570, 64912, 81140, 162280, 324560, 799229, 1598458, 3196916, 3996145, 6393832, 7992290, 12787664, 15984580, 31969160, 63938320]

約数ペア:

[(1, 63938320), (2, 31969160), (4, 15984580), (5, 12787664), (8, 7992290), (10, 6393832), (16, 3996145), (20, 3196916), (40, 1598458), (80, 799229), (197, 324560), (394, 162280), (788, 81140), (985, 64912), (1576, 40570), (1970, 32456), (3152, 20285), (3940, 16228), (4057, 15760), (7880, 8114)]