12513015500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{610391}}^1$

素因数の和:610451

約数の個数: 48

約数和(自身を含む): 27995018688

約数和(自身を除く): 15482003188

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 2050, 4100, 5125, 10250, 20500, 610391, 1220782, 2441564, 3051955, 6103910, 12207820, 15259775, 25026031, 30519550, 50052062, 61039100, 76298875, 100104124, 125130155, 152597750, 250260310, 305195500, 500520620, 625650775, 1251301550, 2502603100, 3128253875, 6256507750, 12513015500]

約数ペア:

[(1, 12513015500), (2, 6256507750), (4, 3128253875), (5, 2502603100), (10, 1251301550), (20, 625650775), (25, 500520620), (41, 305195500), (50, 250260310), (82, 152597750), (100, 125130155), (125, 100104124), (164, 76298875), (205, 61039100), (250, 50052062), (410, 30519550), (500, 25026031), (820, 15259775), (1025, 12207820), (2050, 6103910), (4100, 3051955), (5125, 2441564), (10250, 1220782), (20500, 610391)]