38834260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21817}}^1$

素因数の和:21915

約数の個数: 24

約数和(自身を含む): 82472040

約数和(自身を除く): 43637780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 21817, 43634, 87268, 109085, 218170, 436340, 1941713, 3883426, 7766852, 9708565, 19417130, 38834260]

約数ペア:

[(1, 38834260), (2, 19417130), (4, 9708565), (5, 7766852), (10, 3883426), (20, 1941713), (89, 436340), (178, 218170), (356, 109085), (445, 87268), (890, 43634), (1780, 21817)]