2021770160

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{192917}}^1$

素因数の和:193061

約数の個数: 40

約数和(自身を含む): 4736522736

約数和(自身を除く): 2714752576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 192917, 385834, 771668, 964585, 1543336, 1929170, 3086672, 3858340, 7716680, 15433360, 25272127, 50544254, 101088508, 126360635, 202177016, 252721270, 404354032, 505442540, 1010885080, 2021770160]

約数ペア:

[(1, 2021770160), (2, 1010885080), (4, 505442540), (5, 404354032), (8, 252721270), (10, 202177016), (16, 126360635), (20, 101088508), (40, 50544254), (80, 25272127), (131, 15433360), (262, 7716680), (524, 3858340), (655, 3086672), (1048, 1929170), (1310, 1543336), (2096, 964585), (2620, 771668), (5240, 385834), (10480, 192917)]