1980920905730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15237853121}}^1$

素因数の和:15237853141

約数の個数: 16

約数和(自身を含む): 3839938986744

約数和(自身を除く): 1859018081014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15237853121, 30475706242, 76189265605, 152378531210, 198092090573, 396184181146, 990460452865, 1980920905730]

約数ペア:

[(1, 1980920905730), (2, 990460452865), (5, 396184181146), (10, 198092090573), (13, 152378531210), (26, 76189265605), (65, 30475706242), (130, 15237853121)]