8489840

素因数分解:

$2^4\times 5^1\times {\mathrm{106123}}^1$

素因数の和:106136

約数の個数: 20

約数和(自身を含む): 19739064

約数和(自身を除く): 11249224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106123, 212246, 424492, 530615, 848984, 1061230, 1697968, 2122460, 4244920, 8489840]

約数ペア:

[(1, 8489840), (2, 4244920), (4, 2122460), (5, 1697968), (8, 1061230), (10, 848984), (16, 530615), (20, 424492), (40, 212246), (80, 106123)]