40069205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 55074816

約数和(自身を除く): 15005611

約数列:

[1, 5, 11, 31, 55, 71, 155, 331, 341, 355, 781, 1655, 1705, 2201, 3641, 3905, 10261, 11005, 18205, 23501, 24211, 51305, 112871, 117505, 121055, 258511, 564355, 728531, 1292555, 3642655, 8013841, 40069205]

約数ペア:

[(1, 40069205), (5, 8013841), (11, 3642655), (31, 1292555), (55, 728531), (71, 564355), (155, 258511), (331, 121055), (341, 117505), (355, 112871), (781, 51305), (1655, 24211), (1705, 23501), (2201, 18205), (3641, 11005), (3905, 10261)]