161000120

素因数分解:

$2^3\times 5^1\times {\mathrm{4025003}}^1$

素因数の和:4025014

約数の個数: 16

約数和(自身を含む): 362250360

約数和(自身を除く): 201250240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4025003, 8050006, 16100012, 20125015, 32200024, 40250030, 80500060, 161000120]

約数ペア:

[(1, 161000120), (2, 80500060), (4, 40250030), (5, 32200024), (8, 20125015), (10, 16100012), (20, 8050006), (40, 4025003)]