40872130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{314401}}^1$

素因数の和:314421

約数の個数: 16

約数和(自身を含む): 79229304

約数和(自身を除く): 38357174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 314401, 628802, 1572005, 3144010, 4087213, 8174426, 20436065, 40872130]

約数ペア:

[(1, 40872130), (2, 20436065), (5, 8174426), (10, 4087213), (13, 3144010), (26, 1572005), (65, 628802), (130, 314401)]