13225000

素因数分解:

$2^3\times 5^5\times {\mathrm{23}}^2$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 32400270

約数和(自身を除く): 19175270

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 529, 575, 625, 920, 1000, 1058, 1150, 1250, 2116, 2300, 2500, 2645, 2875, 3125, 4232, 4600, 5000, 5290, 5750, 6250, 10580, 11500, 12500, 13225, 14375, 21160, 23000, 25000, 26450, 28750, 52900, 57500, 66125, 71875, 105800, 115000, 132250, 143750, 264500, 287500, 330625, 529000, 575000, 661250, 1322500, 1653125, 2645000, 3306250, 6612500, 13225000]

約数ペア:

[(1, 13225000), (2, 6612500), (4, 3306250), (5, 2645000), (8, 1653125), (10, 1322500), (20, 661250), (23, 575000), (25, 529000), (40, 330625), (46, 287500), (50, 264500), (92, 143750), (100, 132250), (115, 115000), (125, 105800), (184, 71875), (200, 66125), (230, 57500), (250, 52900), (460, 28750), (500, 26450), (529, 25000), (575, 23000), (625, 21160), (920, 14375), (1000, 13225), (1058, 12500), (1150, 11500), (1250, 10580), (2116, 6250), (2300, 5750), (2500, 5290), (2645, 5000), (2875, 4600), (3125, 4232)]