169768840

素因数分解:

$2^3\times 5^1\times {\mathrm{4244221}}^1$

素因数の和:4244232

約数の個数: 16

約数和(自身を含む): 381979980

約数和(自身を除く): 212211140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4244221, 8488442, 16976884, 21221105, 33953768, 42442210, 84884420, 169768840]

約数ペア:

[(1, 169768840), (2, 84884420), (4, 42442210), (5, 33953768), (8, 21221105), (10, 16976884), (20, 8488442), (40, 4244221)]