180802120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{44753}}^1$

素因数の和:44865

約数の個数: 32

約数和(自身を含む): 410841720

約数和(自身を除く): 230039600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 44753, 89506, 179012, 223765, 358024, 447530, 895060, 1790120, 4520053, 9040106, 18080212, 22600265, 36160424, 45200530, 90401060, 180802120]

約数ペア:

[(1, 180802120), (2, 90401060), (4, 45200530), (5, 36160424), (8, 22600265), (10, 18080212), (20, 9040106), (40, 4520053), (101, 1790120), (202, 895060), (404, 447530), (505, 358024), (808, 223765), (1010, 179012), (2020, 89506), (4040, 44753)]