76420040

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3923}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 172342080

約数和(自身を除く): 95922040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 3923, 4870, 7846, 9740, 15692, 19480, 19615, 31384, 39230, 78460, 156920, 1910501, 3821002, 7642004, 9552505, 15284008, 19105010, 38210020, 76420040]

約数ペア:

[(1, 76420040), (2, 38210020), (4, 19105010), (5, 15284008), (8, 9552505), (10, 7642004), (20, 3821002), (40, 1910501), (487, 156920), (974, 78460), (1948, 39230), (2435, 31384), (3896, 19615), (3923, 19480), (4870, 15692), (7846, 9740)]