81132010

素因数分解:

$2^1\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{2909}}^1$

素因数の和:5705

約数の個数: 16

約数和(自身を含む): 146140200

約数和(自身を除く): 65008190

約数列:

[1, 2, 5, 10, 2789, 2909, 5578, 5818, 13945, 14545, 27890, 29090, 8113201, 16226402, 40566005, 81132010]

約数ペア:

[(1, 81132010), (2, 40566005), (5, 16226402), (10, 8113201), (2789, 29090), (2909, 27890), (5578, 14545), (5818, 13945)]