80971790

素因数分解:

$2^1\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{4337}}^1$

素因数の和:6211

約数の個数: 16

約数和(自身を含む): 145860912

約数和(自身を除く): 64889122

約数列:

[1, 2, 5, 10, 1867, 3734, 4337, 8674, 9335, 18670, 21685, 43370, 8097179, 16194358, 40485895, 80971790]

約数ペア:

[(1, 80971790), (2, 40485895), (5, 16194358), (10, 8097179), (1867, 43370), (3734, 21685), (4337, 18670), (8674, 9335)]