81908860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{372313}}^1$

素因数の和:372333

約数の個数: 24

約数和(自身を含む): 187646256

約数和(自身を除く): 105737396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 372313, 744626, 1489252, 1861565, 3723130, 4095443, 7446260, 8190886, 16381772, 20477215, 40954430, 81908860]

約数ペア:

[(1, 81908860), (2, 40954430), (4, 20477215), (5, 16381772), (10, 8190886), (11, 7446260), (20, 4095443), (22, 3723130), (44, 1861565), (55, 1489252), (110, 744626), (220, 372313)]