40805545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4099}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 53726400

約数和(自身を除く): 12920855

約数列:

[1, 5, 11, 55, 181, 905, 1991, 4099, 9955, 20495, 45089, 225445, 741919, 3709595, 8161109, 40805545]

約数ペア:

[(1, 40805545), (5, 8161109), (11, 3709595), (55, 741919), (181, 225445), (905, 45089), (1991, 20495), (4099, 9955)]