2113440080

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{105251}}^1$

素因数の和:105515

約数の個数: 40

約数和(自身を含む): 4933371744

約数和(自身を除く): 2819931664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 105251, 210502, 421004, 526255, 842008, 1052510, 1684016, 2105020, 4210040, 8420080, 26418001, 52836002, 105672004, 132090005, 211344008, 264180010, 422688016, 528360020, 1056720040, 2113440080]

約数ペア:

[(1, 2113440080), (2, 1056720040), (4, 528360020), (5, 422688016), (8, 264180010), (10, 211344008), (16, 132090005), (20, 105672004), (40, 52836002), (80, 26418001), (251, 8420080), (502, 4210040), (1004, 2105020), (1255, 1684016), (2008, 1052510), (2510, 842008), (4016, 526255), (5020, 421004), (10040, 210502), (20080, 105251)]