661400

素因数分解:

$2^3\times 5^2\times {\mathrm{3307}}^1$

素因数の和:3323

約数の個数: 24

約数和(自身を含む): 1538220

約数和(自身を除く): 876820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 3307, 6614, 13228, 16535, 26456, 33070, 66140, 82675, 132280, 165350, 330700, 661400]

約数ペア:

[(1, 661400), (2, 330700), (4, 165350), (5, 132280), (8, 82675), (10, 66140), (20, 33070), (25, 26456), (40, 16535), (50, 13228), (100, 6614), (200, 3307)]