9940804420

素因数分解:

$2^2\times 5^1\times {\mathrm{14149}}^1\times {\mathrm{35129}}^1$

素因数の和:49287

約数の個数: 24

約数和(自身を含む): 20877759000

約数和(自身を除く): 10936954580

約数列:

[1, 2, 4, 5, 10, 20, 14149, 28298, 35129, 56596, 70258, 70745, 140516, 141490, 175645, 282980, 351290, 702580, 497040221, 994080442, 1988160884, 2485201105, 4970402210, 9940804420]

約数ペア:

[(1, 9940804420), (2, 4970402210), (4, 2485201105), (5, 1988160884), (10, 994080442), (20, 497040221), (14149, 702580), (28298, 351290), (35129, 282980), (56596, 175645), (70258, 141490), (70745, 140516)]