20127795500

素因数分解:

$2^2\times 5^3\times {\mathrm{1109}}^1\times {\mathrm{36299}}^1$

素因数の和:37427

約数の個数: 48

約数和(自身を含む): 43999956000

約数和(自身を除く): 23872160500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 1109, 2218, 4436, 5545, 11090, 22180, 27725, 36299, 55450, 72598, 110900, 138625, 145196, 181495, 277250, 362990, 554500, 725980, 907475, 1814950, 3629900, 4537375, 9074750, 18149500, 40255591, 80511182, 161022364, 201277955, 402555910, 805111820, 1006389775, 2012779550, 4025559100, 5031948875, 10063897750, 20127795500]

約数ペア:

[(1, 20127795500), (2, 10063897750), (4, 5031948875), (5, 4025559100), (10, 2012779550), (20, 1006389775), (25, 805111820), (50, 402555910), (100, 201277955), (125, 161022364), (250, 80511182), (500, 40255591), (1109, 18149500), (2218, 9074750), (4436, 4537375), (5545, 3629900), (11090, 1814950), (22180, 907475), (27725, 725980), (36299, 554500), (55450, 362990), (72598, 277250), (110900, 181495), (138625, 145196)]