156986258320

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9961057}}^1$

素因数の和:9961267

約数の個数: 40

約数和(自身を含む): 366845844024

約数和(自身を除く): 209859585704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 9961057, 19922114, 39844228, 49805285, 79688456, 99610570, 159376912, 199221140, 398442280, 796884560, 1962328229, 3924656458, 7849312916, 9811641145, 15698625832, 19623282290, 31397251664, 39246564580, 78493129160, 156986258320]

約数ペア:

[(1, 156986258320), (2, 78493129160), (4, 39246564580), (5, 31397251664), (8, 19623282290), (10, 15698625832), (16, 9811641145), (20, 7849312916), (40, 3924656458), (80, 1962328229), (197, 796884560), (394, 398442280), (788, 199221140), (985, 159376912), (1576, 99610570), (1970, 79688456), (3152, 49805285), (3940, 39844228), (7880, 19922114), (15760, 9961057)]