12154180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4639}}^1$

素因数の和:4779

約数の個数: 24

約数和(自身を含む): 25724160

約数和(自身を除く): 13569980

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 4639, 9278, 18556, 23195, 46390, 92780, 607709, 1215418, 2430836, 3038545, 6077090, 12154180]

約数ペア:

[(1, 12154180), (2, 6077090), (4, 3038545), (5, 2430836), (10, 1215418), (20, 607709), (131, 92780), (262, 46390), (524, 23195), (655, 18556), (1310, 9278), (2620, 4639)]