2645000

素因数分解:

$2^3\times 5^4\times {\mathrm{23}}^2$

素因数の和:72

約数の個数: 60

約数和(自身を含む): 6478395

約数和(自身を除く): 3833395

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, 4232, 4600, 5000, 5290, 5750, 10580, 11500, 13225, 14375, 21160, 23000, 26450, 28750, 52900, 57500, 66125, 105800, 115000, 132250, 264500, 330625, 529000, 661250, 1322500, 2645000]

約数ペア:

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