28125280

素因数分解:

$2^5\times 5^1\times {\mathrm{175783}}^1$

素因数の和:175798

約数の個数: 24

約数和(自身を含む): 66446352

約数和(自身を除く): 38321072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 175783, 351566, 703132, 878915, 1406264, 1757830, 2812528, 3515660, 5625056, 7031320, 14062640, 28125280]

約数ペア:

[(1, 28125280), (2, 14062640), (4, 7031320), (5, 5625056), (8, 3515660), (10, 2812528), (16, 1757830), (20, 1406264), (32, 878915), (40, 703132), (80, 351566), (160, 175783)]