320985790

素因数分解:

$2^1\times 5^1\times {\mathrm{4999}}^1\times {\mathrm{6421}}^1$

素因数の和:11427

約数の個数: 16

約数和(自身を含む): 577980000

約数和(自身を除く): 256994210

約数列:

[1, 2, 5, 10, 4999, 6421, 9998, 12842, 24995, 32105, 49990, 64210, 32098579, 64197158, 160492895, 320985790]

約数ペア:

[(1, 320985790), (2, 160492895), (5, 64197158), (10, 32098579), (4999, 64210), (6421, 49990), (9998, 32105), (12842, 24995)]