42155620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{577}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 95841648

約数和(自身を除く): 53686028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 577, 1124, 1154, 1405, 2308, 2810, 2885, 3653, 5620, 5770, 7306, 7501, 11540, 14612, 15002, 18265, 30004, 36530, 37505, 73060, 75010, 150020, 162137, 324274, 648548, 810685, 1621370, 2107781, 3242740, 4215562, 8431124, 10538905, 21077810, 42155620]

約数ペア:

[(1, 42155620), (2, 21077810), (4, 10538905), (5, 8431124), (10, 4215562), (13, 3242740), (20, 2107781), (26, 1621370), (52, 810685), (65, 648548), (130, 324274), (260, 162137), (281, 150020), (562, 75010), (577, 73060), (1124, 37505), (1154, 36530), (1405, 30004), (2308, 18265), (2810, 15002), (2885, 14612), (3653, 11540), (5620, 7501), (5770, 7306)]