12729291250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^2\times {\mathrm{60257}}^1$

素因数の和:60305

約数の個数: 60

約数和(自身を含む): 25836762402

約数和(自身を除く): 13107471152

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 625, 650, 845, 1250, 1625, 1690, 3250, 4225, 8125, 8450, 16250, 21125, 42250, 60257, 105625, 120514, 211250, 301285, 602570, 783341, 1506425, 1566682, 3012850, 3916705, 7532125, 7833410, 10183433, 15064250, 19583525, 20366866, 37660625, 39167050, 50917165, 75321250, 97917625, 101834330, 195835250, 254585825, 489588125, 509171650, 979176250, 1272929125, 2545858250, 6364645625, 12729291250]

約数ペア:

[(1, 12729291250), (2, 6364645625), (5, 2545858250), (10, 1272929125), (13, 979176250), (25, 509171650), (26, 489588125), (50, 254585825), (65, 195835250), (125, 101834330), (130, 97917625), (169, 75321250), (250, 50917165), (325, 39167050), (338, 37660625), (625, 20366866), (650, 19583525), (845, 15064250), (1250, 10183433), (1625, 7833410), (1690, 7532125), (3250, 3916705), (4225, 3012850), (8125, 1566682), (8450, 1506425), (16250, 783341), (21125, 602570), (42250, 301285), (60257, 211250), (105625, 120514)]