4018780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4673}}^1$

素因数の和:4725

約数の個数: 24

約数和(自身を含む): 8637552

約数和(自身を除く): 4618772

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4673, 9346, 18692, 23365, 46730, 93460, 200939, 401878, 803756, 1004695, 2009390, 4018780]

約数ペア:

[(1, 4018780), (2, 2009390), (4, 1004695), (5, 803756), (10, 401878), (20, 200939), (43, 93460), (86, 46730), (172, 23365), (215, 18692), (430, 9346), (860, 4673)]