2580790

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 4664160

約数和(自身を除く): 2083370

約数列:

[1, 2, 5, 10, 409, 631, 818, 1262, 2045, 3155, 4090, 6310, 258079, 516158, 1290395, 2580790]

約数ペア:

[(1, 2580790), (2, 1290395), (5, 516158), (10, 258079), (409, 6310), (631, 4090), (818, 3155), (1262, 2045)]