42020495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 58752000

約数和(自身を除く): 16731505

約数列:

[1, 5, 11, 19, 55, 79, 95, 209, 395, 509, 869, 1045, 1501, 2545, 4345, 5599, 7505, 9671, 16511, 27995, 40211, 48355, 82555, 106381, 201055, 442321, 531905, 764009, 2211605, 3820045, 8404099, 42020495]

約数ペア:

[(1, 42020495), (5, 8404099), (11, 3820045), (19, 2211605), (55, 764009), (79, 531905), (95, 442321), (209, 201055), (395, 106381), (509, 82555), (869, 48355), (1045, 40211), (1501, 27995), (2545, 16511), (4345, 9671), (5599, 7505)]