40872845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 57189888

約数和(自身を除く): 16317043

約数列:

[1, 5, 13, 17, 47, 65, 85, 221, 235, 611, 787, 799, 1105, 3055, 3935, 3995, 10231, 10387, 13379, 36989, 51155, 51935, 66895, 173927, 184945, 480857, 628813, 869635, 2404285, 3144065, 8174569, 40872845]

約数ペア:

[(1, 40872845), (5, 8174569), (13, 3144065), (17, 2404285), (47, 869635), (65, 628813), (85, 480857), (221, 184945), (235, 173927), (611, 66895), (787, 51935), (799, 51155), (1105, 36989), (3055, 13379), (3935, 10387), (3995, 10231)]