1320233480

素因数分解:

$2^3\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{20903}}^1$

素因数の和:22493

約数の個数: 32

約数和(自身を含む): 2972548800

約数和(自身を除く): 1652315320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1579, 3158, 6316, 7895, 12632, 15790, 20903, 31580, 41806, 63160, 83612, 104515, 167224, 209030, 418060, 836120, 33005837, 66011674, 132023348, 165029185, 264046696, 330058370, 660116740, 1320233480]

約数ペア:

[(1, 1320233480), (2, 660116740), (4, 330058370), (5, 264046696), (8, 165029185), (10, 132023348), (20, 66011674), (40, 33005837), (1579, 836120), (3158, 418060), (6316, 209030), (7895, 167224), (12632, 104515), (15790, 83612), (20903, 63160), (31580, 41806)]