66885020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{115319}}^1$

素因数の和:115357

約数の個数: 24

約数和(自身を含む): 145303200

約数和(自身を除く): 78418180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 115319, 230638, 461276, 576595, 1153190, 2306380, 3344251, 6688502, 13377004, 16721255, 33442510, 66885020]

約数ペア:

[(1, 66885020), (2, 33442510), (4, 16721255), (5, 13377004), (10, 6688502), (20, 3344251), (29, 2306380), (58, 1153190), (116, 576595), (145, 461276), (290, 230638), (580, 115319)]