127861840

素因数分解:

$2^4\times 5^1\times {\mathrm{1598273}}^1$

素因数の和:1598286

約数の個数: 20

約数和(自身を含む): 297278964

約数和(自身を除く): 169417124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1598273, 3196546, 6393092, 7991365, 12786184, 15982730, 25572368, 31965460, 63930920, 127861840]

約数ペア:

[(1, 127861840), (2, 63930920), (4, 31965460), (5, 25572368), (8, 15982730), (10, 12786184), (16, 7991365), (20, 6393092), (40, 3196546), (80, 1598273)]