27040400

素因数分解:

$2^4\times 5^2\times {\mathrm{67601}}^1$

素因数の和:67619

約数の個数: 30

約数和(自身を含む): 64965522

約数和(自身を除く): 37925122

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 67601, 135202, 270404, 338005, 540808, 676010, 1081616, 1352020, 1690025, 2704040, 3380050, 5408080, 6760100, 13520200, 27040400]

約数ペア:

[(1, 27040400), (2, 13520200), (4, 6760100), (5, 5408080), (8, 3380050), (10, 2704040), (16, 1690025), (20, 1352020), (25, 1081616), (40, 676010), (50, 540808), (80, 338005), (100, 270404), (200, 135202), (400, 67601)]