2820580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20147}}^1$

素因数の和:20163

約数の個数: 24

約数和(自身を含む): 6769728

約数和(自身を除く): 3949148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20147, 40294, 80588, 100735, 141029, 201470, 282058, 402940, 564116, 705145, 1410290, 2820580]

約数ペア:

[(1, 2820580), (2, 1410290), (4, 705145), (5, 564116), (7, 402940), (10, 282058), (14, 201470), (20, 141029), (28, 100735), (35, 80588), (70, 40294), (140, 20147)]