78386020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{206279}}^1$

素因数の和:206307

約数の個数: 24

約数和(自身を含む): 173275200

約数和(自身を除く): 94889180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 206279, 412558, 825116, 1031395, 2062790, 3919301, 4125580, 7838602, 15677204, 19596505, 39193010, 78386020]

約数ペア:

[(1, 78386020), (2, 39193010), (4, 19596505), (5, 15677204), (10, 7838602), (19, 4125580), (20, 3919301), (38, 2062790), (76, 1031395), (95, 825116), (190, 412558), (380, 206279)]