67720000

素因数分解:

$2^6\times 5^4\times {\mathrm{1693}}^1$

素因数の和:1725

約数の個数: 70

約数和(自身を含む): 168022778

約数和(自身を除く): 100302778

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 1693, 2000, 2500, 3386, 4000, 5000, 6772, 8000, 8465, 10000, 13544, 16930, 20000, 27088, 33860, 40000, 42325, 54176, 67720, 84650, 108352, 135440, 169300, 211625, 270880, 338600, 423250, 541760, 677200, 846500, 1058125, 1354400, 1693000, 2116250, 2708800, 3386000, 4232500, 6772000, 8465000, 13544000, 16930000, 33860000, 67720000]

約数ペア:

[(1, 67720000), (2, 33860000), (4, 16930000), (5, 13544000), (8, 8465000), (10, 6772000), (16, 4232500), (20, 3386000), (25, 2708800), (32, 2116250), (40, 1693000), (50, 1354400), (64, 1058125), (80, 846500), (100, 677200), (125, 541760), (160, 423250), (200, 338600), (250, 270880), (320, 211625), (400, 169300), (500, 135440), (625, 108352), (800, 84650), (1000, 67720), (1250, 54176), (1600, 42325), (1693, 40000), (2000, 33860), (2500, 27088), (3386, 20000), (4000, 16930), (5000, 13544), (6772, 10000), (8000, 8465)]