264020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 569184

約数和(自身を除く): 305164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 307, 430, 614, 860, 1228, 1535, 3070, 6140, 13201, 26402, 52804, 66005, 132010, 264020]

約数ペア:

[(1, 264020), (2, 132010), (4, 66005), (5, 52804), (10, 26402), (20, 13201), (43, 6140), (86, 3070), (172, 1535), (215, 1228), (307, 860), (430, 614)]