2080383480080

素因数分解:

$2^4\times 5^1\times {\mathrm{26004793501}}^1$

素因数の和:26004793514

約数の個数: 20

約数和(自身を含む): 4836891591372

約数和(自身を除く): 2756508111292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26004793501, 52009587002, 104019174004, 130023967505, 208038348008, 260047935010, 416076696016, 520095870020, 1040191740040, 2080383480080]

約数ペア:

[(1, 2080383480080), (2, 1040191740040), (4, 520095870020), (5, 416076696016), (8, 260047935010), (10, 208038348008), (16, 130023967505), (20, 104019174004), (40, 52009587002), (80, 26004793501)]