1321400

素因数分解:

$2^3\times 5^2\times {\mathrm{6607}}^1$

素因数の和:6623

約数の個数: 24

約数和(自身を含む): 3072720

約数和(自身を除く): 1751320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 6607, 13214, 26428, 33035, 52856, 66070, 132140, 165175, 264280, 330350, 660700, 1321400]

約数ペア:

[(1, 1321400), (2, 660700), (4, 330350), (5, 264280), (8, 165175), (10, 132140), (20, 66070), (25, 52856), (40, 33035), (50, 26428), (100, 13214), (200, 6607)]