81670090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281621}}^1$

素因数の和:281657

約数の個数: 16

約数和(自身を含む): 152075880

約数和(自身を除く): 70405790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 281621, 563242, 1408105, 2816210, 8167009, 16334018, 40835045, 81670090]

約数ペア:

[(1, 81670090), (2, 40835045), (5, 16334018), (10, 8167009), (29, 2816210), (58, 1408105), (145, 563242), (290, 281621)]