209549180

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{10343}}^1$

素因数の和:11365

約数の個数: 24

約数和(自身を含む): 440530272

約数和(自身を除く): 230981092

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 5065, 10130, 10343, 20260, 20686, 41372, 51715, 103430, 206860, 10477459, 20954918, 41909836, 52387295, 104774590, 209549180]

約数ペア:

[(1, 209549180), (2, 104774590), (4, 52387295), (5, 41909836), (10, 20954918), (20, 10477459), (1013, 206860), (2026, 103430), (4052, 51715), (5065, 41372), (10130, 20686), (10343, 20260)]