81710361610

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{9952541}}^1$

素因数の和:9953369

約数の個数: 16

約数和(自身を含む): 147257811432

約数和(自身を除く): 65547449822

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 9952541, 19905082, 49762705, 99525410, 8171036161, 16342072322, 40855180805, 81710361610]

約数ペア:

[(1, 81710361610), (2, 40855180805), (5, 16342072322), (10, 8171036161), (821, 99525410), (1642, 49762705), (4105, 19905082), (8210, 9952541)]