20180391080

素因数分解:

$2^3\times 5^1\times {\mathrm{21587}}^1\times {\mathrm{23371}}^1$

素因数の和:44969

約数の個数: 32

約数和(自身を含む): 45409926240

約数和(自身を除く): 25229535160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21587, 23371, 43174, 46742, 86348, 93484, 107935, 116855, 172696, 186968, 215870, 233710, 431740, 467420, 863480, 934840, 504509777, 1009019554, 2018039108, 2522548885, 4036078216, 5045097770, 10090195540, 20180391080]

約数ペア:

[(1, 20180391080), (2, 10090195540), (4, 5045097770), (5, 4036078216), (8, 2522548885), (10, 2018039108), (20, 1009019554), (40, 504509777), (21587, 934840), (23371, 863480), (43174, 467420), (46742, 431740), (86348, 233710), (93484, 215870), (107935, 186968), (116855, 172696)]