80975570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{622889}}^1$

素因数の和:622909

約数の個数: 16

約数和(自身を含む): 156968280

約数和(自身を除く): 75992710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 622889, 1245778, 3114445, 6228890, 8097557, 16195114, 40487785, 80975570]

約数ペア:

[(1, 80975570), (2, 40487785), (5, 16195114), (10, 8097557), (13, 6228890), (26, 3114445), (65, 1245778), (130, 622889)]