40405505

素因数分解:

$5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1427}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 55520640

約数和(自身を除く): 15115135

約数列:

[1, 5, 7, 35, 809, 1427, 4045, 5663, 7135, 9989, 28315, 49945, 1154443, 5772215, 8081101, 40405505]

約数ペア:

[(1, 40405505), (5, 8081101), (7, 5772215), (35, 1154443), (809, 49945), (1427, 28315), (4045, 9989), (5663, 7135)]