8428540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3217}}^1$

素因数の和:3357

約数の個数: 24

約数和(自身を含む): 17840592

約数和(自身を除く): 9412052

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 3217, 6434, 12868, 16085, 32170, 64340, 421427, 842854, 1685708, 2107135, 4214270, 8428540]

約数ペア:

[(1, 8428540), (2, 4214270), (4, 2107135), (5, 1685708), (10, 842854), (20, 421427), (131, 64340), (262, 32170), (524, 16085), (655, 12868), (1310, 6434), (2620, 3217)]