40508728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389507}}^1$

素因数の和:389526

約数の個数: 16

約数和(自身を含む): 81796680

約数和(自身を除く): 41287952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389507, 779014, 1558028, 3116056, 5063591, 10127182, 20254364, 40508728]

約数ペア:

[(1, 40508728), (2, 20254364), (4, 10127182), (8, 5063591), (13, 3116056), (26, 1558028), (52, 779014), (104, 389507)]