81444010

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{62171}}^1$

素因数の和:62309

約数の個数: 16

約数和(自身を含む): 147720672

約数和(自身を除く): 66276662

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 62171, 124342, 310855, 621710, 8144401, 16288802, 40722005, 81444010]

約数ペア:

[(1, 81444010), (2, 40722005), (5, 16288802), (10, 8144401), (131, 621710), (262, 310855), (655, 124342), (1310, 62171)]