1940625020

素因数分解:

$2^2\times 5^1\times {\mathrm{4759}}^1\times {\mathrm{20389}}^1$

素因数の和:25157

約数の個数: 24

約数和(自身を含む): 4076368800

約数和(自身を除く): 2135743780

約数列:

[1, 2, 4, 5, 10, 20, 4759, 9518, 19036, 20389, 23795, 40778, 47590, 81556, 95180, 101945, 203890, 407780, 97031251, 194062502, 388125004, 485156255, 970312510, 1940625020]

約数ペア:

[(1, 1940625020), (2, 970312510), (4, 485156255), (5, 388125004), (10, 194062502), (20, 97031251), (4759, 407780), (9518, 203890), (19036, 101945), (20389, 95180), (23795, 81556), (40778, 47590)]