81475000

素因数分解:

$2^3\times 5^5\times {\mathrm{3259}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 191003400

約数和(自身を除く): 109528400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3125, 3259, 5000, 6250, 6518, 12500, 13036, 16295, 25000, 26072, 32590, 65180, 81475, 130360, 162950, 325900, 407375, 651800, 814750, 1629500, 2036875, 3259000, 4073750, 8147500, 10184375, 16295000, 20368750, 40737500, 81475000]

約数ペア:

[(1, 81475000), (2, 40737500), (4, 20368750), (5, 16295000), (8, 10184375), (10, 8147500), (20, 4073750), (25, 3259000), (40, 2036875), (50, 1629500), (100, 814750), (125, 651800), (200, 407375), (250, 325900), (500, 162950), (625, 130360), (1000, 81475), (1250, 65180), (2500, 32590), (3125, 26072), (3259, 25000), (5000, 16295), (6250, 13036), (6518, 12500)]