161440060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{187721}}^1$

素因数の和:187773

約数の個数: 24

約数和(自身を含む): 346910256

約数和(自身を除く): 185470196

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 187721, 375442, 750884, 938605, 1877210, 3754420, 8072003, 16144006, 32288012, 40360015, 80720030, 161440060]

約数ペア:

[(1, 161440060), (2, 80720030), (4, 40360015), (5, 32288012), (10, 16144006), (20, 8072003), (43, 3754420), (86, 1877210), (172, 938605), (215, 750884), (430, 375442), (860, 187721)]