81303410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{198301}}^1$

素因数の和:198349

約数の個数: 16

約数和(自身を含む): 149916312

約数和(自身を除く): 68612902

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 198301, 396602, 991505, 1983010, 8130341, 16260682, 40651705, 81303410]

約数ペア:

[(1, 81303410), (2, 40651705), (5, 16260682), (10, 8130341), (41, 1983010), (82, 991505), (205, 396602), (410, 198301)]