27428770

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20021}}^1$

素因数の和:20165

約数の個数: 16

約数和(自身を含む): 49734648

約数和(自身を除く): 22305878

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 20021, 40042, 100105, 200210, 2742877, 5485754, 13714385, 27428770]

約数ペア:

[(1, 27428770), (2, 13714385), (5, 5485754), (10, 2742877), (137, 200210), (274, 100105), (685, 40042), (1370, 20021)]