1330981640

素因数分解:

$2^3\times 5^1\times {\mathrm{33274541}}^1$

素因数の和:33274552

約数の個数: 16

約数和(自身を含む): 2994708780

約数和(自身を除く): 1663727140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 33274541, 66549082, 133098164, 166372705, 266196328, 332745410, 665490820, 1330981640]

約数ペア:

[(1, 1330981640), (2, 665490820), (4, 332745410), (5, 266196328), (8, 166372705), (10, 133098164), (20, 66549082), (40, 33274541)]