38964040

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6451}}^1$

素因数の和:6613

約数の個数: 32

約数和(自身を含む): 88263360

約数和(自身を除く): 49299320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 6451, 12902, 25804, 32255, 51608, 64510, 129020, 258040, 974101, 1948202, 3896404, 4870505, 7792808, 9741010, 19482020, 38964040]

約数ペア:

[(1, 38964040), (2, 19482020), (4, 9741010), (5, 7792808), (8, 4870505), (10, 3896404), (20, 1948202), (40, 974101), (151, 258040), (302, 129020), (604, 64510), (755, 51608), (1208, 32255), (1510, 25804), (3020, 12902), (6040, 6451)]