8000860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{57149}}^1$

素因数の和:57165

約数の個数: 24

約数和(自身を含む): 19202400

約数和(自身を除く): 11201540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 57149, 114298, 228596, 285745, 400043, 571490, 800086, 1142980, 1600172, 2000215, 4000430, 8000860]

約数ペア:

[(1, 8000860), (2, 4000430), (4, 2000215), (5, 1600172), (7, 1142980), (10, 800086), (14, 571490), (20, 400043), (28, 285745), (35, 228596), (70, 114298), (140, 57149)]