81818860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{141067}}^1$

素因数の和:141105

約数の個数: 24

約数和(自身を含む): 177745680

約数和(自身を除く): 95926820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 141067, 282134, 564268, 705335, 1410670, 2821340, 4090943, 8181886, 16363772, 20454715, 40909430, 81818860]

約数ペア:

[(1, 81818860), (2, 40909430), (4, 20454715), (5, 16363772), (10, 8181886), (20, 4090943), (29, 2821340), (58, 1410670), (116, 705335), (145, 564268), (290, 282134), (580, 141067)]