8426996840

素因数分解:

$2^3\times 5^1\times {\mathrm{210674921}}^1$

素因数の和:210674932

約数の個数: 16

約数和(自身を含む): 18960742980

約数和(自身を除く): 10533746140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 210674921, 421349842, 842699684, 1053374605, 1685399368, 2106749210, 4213498420, 8426996840]

約数ペア:

[(1, 8426996840), (2, 4213498420), (4, 2106749210), (5, 1685399368), (8, 1053374605), (10, 842699684), (20, 421349842), (40, 210674921)]