1882120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 4273920

約数和(自身を除く): 2391800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 223, 422, 446, 844, 892, 1055, 1115, 1688, 1784, 2110, 2230, 4220, 4460, 8440, 8920, 47053, 94106, 188212, 235265, 376424, 470530, 941060, 1882120]

約数ペア:

[(1, 1882120), (2, 941060), (4, 470530), (5, 376424), (8, 235265), (10, 188212), (20, 94106), (40, 47053), (211, 8920), (223, 8440), (422, 4460), (446, 4220), (844, 2230), (892, 2110), (1055, 1784), (1115, 1688)]