2064654320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197009}}^1$

素因数の和:197153

約数の個数: 40

約数和(自身を含む): 4836989520

約数和(自身を除く): 2772335200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 197009, 394018, 788036, 985045, 1576072, 1970090, 3152144, 3940180, 7880360, 15760720, 25808179, 51616358, 103232716, 129040895, 206465432, 258081790, 412930864, 516163580, 1032327160, 2064654320]

約数ペア:

[(1, 2064654320), (2, 1032327160), (4, 516163580), (5, 412930864), (8, 258081790), (10, 206465432), (16, 129040895), (20, 103232716), (40, 51616358), (80, 25808179), (131, 15760720), (262, 7880360), (524, 3940180), (655, 3152144), (1048, 1970090), (1310, 1576072), (2096, 985045), (2620, 788036), (5240, 394018), (10480, 197009)]