8489609840

素因数分解:

$2^4\times 5^1\times {\mathrm{106120123}}^1$

素因数の和:106120136

約数の個数: 20

約数和(自身を含む): 19738343064

約数和(自身を除く): 11248733224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106120123, 212240246, 424480492, 530600615, 848960984, 1061201230, 1697921968, 2122402460, 4244804920, 8489609840]

約数ペア:

[(1, 8489609840), (2, 4244804920), (4, 2122402460), (5, 1697921968), (8, 1061201230), (10, 848960984), (16, 530600615), (20, 424480492), (40, 212240246), (80, 106120123)]