15995740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19507}}^1$

素因数の和:19557

約数の個数: 24

約数和(自身を含む): 34412112

約数和(自身を除く): 18416372

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19507, 39014, 78028, 97535, 195070, 390140, 799787, 1599574, 3199148, 3998935, 7997870, 15995740]

約数ペア:

[(1, 15995740), (2, 7997870), (4, 3998935), (5, 3199148), (10, 1599574), (20, 799787), (41, 390140), (82, 195070), (164, 97535), (205, 78028), (410, 39014), (820, 19507)]