38309140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17573}}^1$

素因数の和:17691

約数の個数: 24

約数和(自身を含む): 81191880

約数和(自身を除く): 42882740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 17573, 35146, 70292, 87865, 175730, 351460, 1915457, 3830914, 7661828, 9577285, 19154570, 38309140]

約数ペア:

[(1, 38309140), (2, 19154570), (4, 9577285), (5, 7661828), (10, 3830914), (20, 1915457), (109, 351460), (218, 175730), (436, 87865), (545, 70292), (1090, 35146), (2180, 17573)]