162647140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{41281}}^1$

素因数の和:41487

約数の個数: 24

約数和(自身を含む): 343301112

約数和(自身を除く): 180653972

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 41281, 82562, 165124, 206405, 412810, 825620, 8132357, 16264714, 32529428, 40661785, 81323570, 162647140]

約数ペア:

[(1, 162647140), (2, 81323570), (4, 40661785), (5, 32529428), (10, 16264714), (20, 8132357), (197, 825620), (394, 412810), (788, 206405), (985, 165124), (1970, 82562), (3940, 41281)]