8408020

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1759}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 17740800

約数和(自身を除く): 9332780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 1759, 2390, 3518, 4780, 7036, 8795, 17590, 35180, 420401, 840802, 1681604, 2102005, 4204010, 8408020]

約数ペア:

[(1, 8408020), (2, 4204010), (4, 2102005), (5, 1681604), (10, 840802), (20, 420401), (239, 35180), (478, 17590), (956, 8795), (1195, 7036), (1759, 4780), (2390, 3518)]