25920004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6619}}^1$

素因数の和:6723

約数の個数: 24

約数和(自身を含む): 50047200

約数和(自身を除く): 24127196

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 6619, 13238, 26476, 72809, 145618, 291236, 589091, 1178182, 2356364, 6480001, 12960002, 25920004]

約数ペア:

[(1, 25920004), (2, 12960002), (4, 6480001), (11, 2356364), (22, 1178182), (44, 589091), (89, 291236), (178, 145618), (356, 72809), (979, 26476), (1958, 13238), (3916, 6619)]