81202010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{427379}}^1$

素因数の和:427405

約数の個数: 16

約数和(自身を含む): 153856800

約数和(自身を除く): 72654790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 427379, 854758, 2136895, 4273790, 8120201, 16240402, 40601005, 81202010]

約数ペア:

[(1, 81202010), (2, 40601005), (5, 16240402), (10, 8120201), (19, 4273790), (38, 2136895), (95, 854758), (190, 427379)]