69684920

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3637}}^1$

素因数の和:4127

約数の個数: 32

約数和(自身を含む): 157161600

約数和(自身を除く): 87476680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3637, 3832, 4790, 7274, 9580, 14548, 18185, 19160, 29096, 36370, 72740, 145480, 1742123, 3484246, 6968492, 8710615, 13936984, 17421230, 34842460, 69684920]

約数ペア:

[(1, 69684920), (2, 34842460), (4, 17421230), (5, 13936984), (8, 8710615), (10, 6968492), (20, 3484246), (40, 1742123), (479, 145480), (958, 72740), (1916, 36370), (2395, 29096), (3637, 19160), (3832, 18185), (4790, 14548), (7274, 9580)]