26450000

素因数分解:

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

素因数の和:79

約数の個数: 90

約数和(自身を含む): 66960558

約数和(自身を除く): 40510558

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 529, 575, 625, 920, 1000, 1058, 1150, 1250, 1840, 2000, 2116, 2300, 2500, 2645, 2875, 3125, 4232, 4600, 5000, 5290, 5750, 6250, 8464, 9200, 10000, 10580, 11500, 12500, 13225, 14375, 21160, 23000, 25000, 26450, 28750, 42320, 46000, 50000, 52900, 57500, 66125, 71875, 105800, 115000, 132250, 143750, 211600, 230000, 264500, 287500, 330625, 529000, 575000, 661250, 1058000, 1150000, 1322500, 1653125, 2645000, 3306250, 5290000, 6612500, 13225000, 26450000]

約数ペア:

[(1, 26450000), (2, 13225000), (4, 6612500), (5, 5290000), (8, 3306250), (10, 2645000), (16, 1653125), (20, 1322500), (23, 1150000), (25, 1058000), (40, 661250), (46, 575000), (50, 529000), (80, 330625), (92, 287500), (100, 264500), (115, 230000), (125, 211600), (184, 143750), (200, 132250), (230, 115000), (250, 105800), (368, 71875), (400, 66125), (460, 57500), (500, 52900), (529, 50000), (575, 46000), (625, 42320), (920, 28750), (1000, 26450), (1058, 25000), (1150, 23000), (1250, 21160), (1840, 14375), (2000, 13225), (2116, 12500), (2300, 11500), (2500, 10580), (2645, 10000), (2875, 9200), (3125, 8464), (4232, 6250), (4600, 5750), (5000, 5290)]