67142720

素因数分解:

$2^6\times 5^1\times {\mathrm{209821}}^1$

素因数の和:209838

約数の個数: 28

約数和(自身を含む): 159884364

約数和(自身を除く): 92741644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 209821, 419642, 839284, 1049105, 1678568, 2098210, 3357136, 4196420, 6714272, 8392840, 13428544, 16785680, 33571360, 67142720]

約数ペア:

[(1, 67142720), (2, 33571360), (4, 16785680), (5, 13428544), (8, 8392840), (10, 6714272), (16, 4196420), (20, 3357136), (32, 2098210), (40, 1678568), (64, 1049105), (80, 839284), (160, 419642), (320, 209821)]