4009840

素因数分解:

$2^4\times 5^1\times {\mathrm{50123}}^1$

素因数の和:50136

約数の個数: 20

約数和(自身を含む): 9323064

約数和(自身を除く): 5313224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50123, 100246, 200492, 250615, 400984, 501230, 801968, 1002460, 2004920, 4009840]

約数ペア:

[(1, 4009840), (2, 2004920), (4, 1002460), (5, 801968), (8, 501230), (10, 400984), (16, 250615), (20, 200492), (40, 100246), (80, 50123)]