827449940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{253819}}^1$

素因数の和:253991

約数の個数: 24

約数和(自身を含む): 1748312160

約数和(自身を除く): 920862220

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 253819, 507638, 1015276, 1269095, 2538190, 5076380, 41372497, 82744994, 165489988, 206862485, 413724970, 827449940]

約数ペア:

[(1, 827449940), (2, 413724970), (4, 206862485), (5, 165489988), (10, 82744994), (20, 41372497), (163, 5076380), (326, 2538190), (652, 1269095), (815, 1015276), (1630, 507638), (3260, 253819)]