30800020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37561}}^1$

素因数の和:37611

約数の個数: 24

約数和(自身を含む): 66259368

約数和(自身を除く): 35459348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 37561, 75122, 150244, 187805, 375610, 751220, 1540001, 3080002, 6160004, 7700005, 15400010, 30800020]

約数ペア:

[(1, 30800020), (2, 15400010), (4, 7700005), (5, 6160004), (10, 3080002), (20, 1540001), (41, 751220), (82, 375610), (164, 187805), (205, 150244), (410, 75122), (820, 37561)]