66668060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{77521}}^1$

素因数の和:77573

約数の個数: 24

約数和(自身を含む): 143260656

約数和(自身を除く): 76592596

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 77521, 155042, 310084, 387605, 775210, 1550420, 3333403, 6666806, 13333612, 16667015, 33334030, 66668060]

約数ペア:

[(1, 66668060), (2, 33334030), (4, 16667015), (5, 13333612), (10, 6666806), (20, 3333403), (43, 1550420), (86, 775210), (172, 387605), (215, 310084), (430, 155042), (860, 77521)]