5290000

素因数分解:

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

素因数の和:74

約数の個数: 75

約数和(自身を含む): 13388683

約数和(自身を除く): 8098683

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, 4232, 4600, 5000, 5290, 5750, 8464, 9200, 10000, 10580, 11500, 13225, 14375, 21160, 23000, 26450, 28750, 42320, 46000, 52900, 57500, 66125, 105800, 115000, 132250, 211600, 230000, 264500, 330625, 529000, 661250, 1058000, 1322500, 2645000, 5290000]

約数ペア:

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