65512640

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2027}}^1$

素因数の和:2145

約数の個数: 56

約数和(自身を含む): 157624272

約数和(自身を除く): 92111632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 2027, 3232, 4040, 4054, 6464, 8080, 8108, 10135, 16160, 16216, 20270, 32320, 32432, 40540, 64864, 81080, 129728, 162160, 204727, 324320, 409454, 648640, 818908, 1023635, 1637816, 2047270, 3275632, 4094540, 6551264, 8189080, 13102528, 16378160, 32756320, 65512640]

約数ペア:

[(1, 65512640), (2, 32756320), (4, 16378160), (5, 13102528), (8, 8189080), (10, 6551264), (16, 4094540), (20, 3275632), (32, 2047270), (40, 1637816), (64, 1023635), (80, 818908), (101, 648640), (160, 409454), (202, 324320), (320, 204727), (404, 162160), (505, 129728), (808, 81080), (1010, 64864), (1616, 40540), (2020, 32432), (2027, 32320), (3232, 20270), (4040, 16216), (4054, 16160), (6464, 10135), (8080, 8108)]