801400

素因数分解:

$2^3\times 5^2\times {\mathrm{4007}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 1863720

約数和(自身を除く): 1062320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 4007, 8014, 16028, 20035, 32056, 40070, 80140, 100175, 160280, 200350, 400700, 801400]

約数ペア:

[(1, 801400), (2, 400700), (4, 200350), (5, 160280), (8, 100175), (10, 80140), (20, 40070), (25, 32056), (40, 20035), (50, 16028), (100, 8014), (200, 4007)]