170717840

素因数分解:

$2^4\times 5^1\times {\mathrm{2133973}}^1$

素因数の和:2133986

約数の個数: 20

約数和(自身を含む): 396919164

約数和(自身を除く): 226201324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2133973, 4267946, 8535892, 10669865, 17071784, 21339730, 34143568, 42679460, 85358920, 170717840]

約数ペア:

[(1, 170717840), (2, 85358920), (4, 42679460), (5, 34143568), (8, 21339730), (10, 17071784), (16, 10669865), (20, 8535892), (40, 4267946), (80, 2133973)]