26942500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:866

約数の個数: 60

約数和(自身を含む): 63526540

約数和(自身を除く): 36584040

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 829, 1250, 1300, 1625, 1658, 2500, 3250, 3316, 4145, 6500, 8125, 8290, 10777, 16250, 16580, 20725, 21554, 32500, 41450, 43108, 53885, 82900, 103625, 107770, 207250, 215540, 269425, 414500, 518125, 538850, 1036250, 1077700, 1347125, 2072500, 2694250, 5388500, 6735625, 13471250, 26942500]

約数ペア:

[(1, 26942500), (2, 13471250), (4, 6735625), (5, 5388500), (10, 2694250), (13, 2072500), (20, 1347125), (25, 1077700), (26, 1036250), (50, 538850), (52, 518125), (65, 414500), (100, 269425), (125, 215540), (130, 207250), (250, 107770), (260, 103625), (325, 82900), (500, 53885), (625, 43108), (650, 41450), (829, 32500), (1250, 21554), (1300, 20725), (1625, 16580), (1658, 16250), (2500, 10777), (3250, 8290), (3316, 8125), (4145, 6500)]