42839810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25349}}^1$

素因数の和:25382

約数の個数: 24

約数和(自身を含む): 83502900

約数和(自身を除く): 40663090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 25349, 50698, 126745, 253490, 329537, 659074, 1647685, 3295370, 4283981, 8567962, 21419905, 42839810]

約数ペア:

[(1, 42839810), (2, 21419905), (5, 8567962), (10, 4283981), (13, 3295370), (26, 1647685), (65, 659074), (130, 329537), (169, 253490), (338, 126745), (845, 50698), (1690, 25349)]